Home / 145,546,641.56-200,851,619.78-89,027,229.03

Finding the Fourth Proportional to 145,546,641.56, 200,851,619.78 and 89,027,229.03

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Solution

The fourth proportional to 145,546,641.56, 200,851,619.78 and 89,027,229.03 is: 122,855,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,546,641.56 : 200,851,619.78 = 89,027,229.03 : x
  2. Step 2: Convert to fraction form
    145,546,641.56/200,851,619.78 = 89,027,229.03/x
  3. Step 3: Cross multiply
    145,546,641.56x = 200,851,619.78 × 89,027,229.03
  4. Step 4: Simplify right side
    145,546,641.56x = 17,881,263,154,755,402
  5. Step 5: Solve for x
    x = 17,881,263,154,755,402/145,546,641.56
  6. Step 6: Final answer
    x = 122,855,896.66

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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.