Home / 126,438,459.66-174,513,144.24-76,868,300.34

Finding the Fourth Proportional to 126,438,459.66, 174,513,144.24 and 76,868,300.34

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Solution

The fourth proportional to 126,438,459.66, 174,513,144.24 and 76,868,300.34 is: 106,095,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,438,459.66 : 174,513,144.24 = 76,868,300.34 : x
  2. Step 2: Convert to fraction form
    126,438,459.66/174,513,144.24 = 76,868,300.34/x
  3. Step 3: Cross multiply
    126,438,459.66x = 174,513,144.24 × 76,868,300.34
  4. Step 4: Simplify right side
    126,438,459.66x = 13,414,528,784,718,062
  5. Step 5: Solve for x
    x = 13,414,528,784,718,062/126,438,459.66
  6. Step 6: Final answer
    x = 106,095,319.58

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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.