Home / 126,360,009.60-174,403,753.92-86,721,763.20

Finding the Fourth Proportional to 126,360,009.60, 174,403,753.92 and 86,721,763.20

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Solution

The fourth proportional to 126,360,009.60, 174,403,753.92 and 86,721,763.20 is: 119,694,522.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,360,009.60 : 174,403,753.92 = 86,721,763.20 : x
  2. Step 2: Convert to fraction form
    126,360,009.60/174,403,753.92 = 86,721,763.20/x
  3. Step 3: Cross multiply
    126,360,009.60x = 174,403,753.92 × 86,721,763.20
  4. Step 4: Simplify right side
    126,360,009.60x = 15,124,601,048,641,312
  5. Step 5: Solve for x
    x = 15,124,601,048,641,312/126,360,009.60
  6. Step 6: Final answer
    x = 119,694,522.79

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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.