Home / 87,845,782,323.69-121,218,708,821.71-49,266,268,420.59

Finding the Fourth Proportional to 87,845,782,323.69, 121,218,708,821.71 and 49,266,268,420.59

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Solution

The fourth proportional to 87,845,782,323.69, 121,218,708,821.71 and 49,266,268,420.59 is: 67,982,699,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,845,782,323.69 : 121,218,708,821.71 = 49,266,268,420.59 : x
  2. Step 2: Convert to fraction form
    87,845,782,323.69/121,218,708,821.71 = 49,266,268,420.59/x
  3. Step 3: Cross multiply
    87,845,782,323.69x = 121,218,708,821.71 × 49,266,268,420.59
  4. Step 4: Simplify right side
    87,845,782,323.69x = 5,971,993,446,407,705,985,024
  5. Step 5: Solve for x
    x = 5,971,993,446,407,705,985,024/87,845,782,323.69
  6. Step 6: Final answer
    x = 67,982,699,777.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.