Home / 121,626,152.47-182,505,644.61-51,585,486.39

Finding the Fourth Proportional to 121,626,152.47, 182,505,644.61 and 51,585,486.39

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Solution

The fourth proportional to 121,626,152.47, 182,505,644.61 and 51,585,486.39 is: 77,406,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,626,152.47 : 182,505,644.61 = 51,585,486.39 : x
  2. Step 2: Convert to fraction form
    121,626,152.47/182,505,644.61 = 51,585,486.39/x
  3. Step 3: Cross multiply
    121,626,152.47x = 182,505,644.61 × 51,585,486.39
  4. Step 4: Simplify right side
    121,626,152.47x = 9,414,642,446,127,332
  5. Step 5: Solve for x
    x = 9,414,642,446,127,332/121,626,152.47
  6. Step 6: Final answer
    x = 77,406,398.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.