Home / 85,906,916.16-118,551,561.84-47,275,748.16

Finding the Fourth Proportional to 85,906,916.16, 118,551,561.84 and 47,275,748.16

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Solution

The fourth proportional to 85,906,916.16, 118,551,561.84 and 47,275,748.16 is: 65,240,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,906,916.16 : 118,551,561.84 = 47,275,748.16 : x
  2. Step 2: Convert to fraction form
    85,906,916.16/118,551,561.84 = 47,275,748.16/x
  3. Step 3: Cross multiply
    85,906,916.16x = 118,551,561.84 × 47,275,748.16
  4. Step 4: Simplify right side
    85,906,916.16x = 5,604,613,781,522,506
  5. Step 5: Solve for x
    x = 5,604,613,781,522,506/85,906,916.16
  6. Step 6: Final answer
    x = 65,240,542.11

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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.