Home / 137,808,001.20-206,712,001.80-112,298,833.20

Finding the Fourth Proportional to 137,808,001.20, 206,712,001.80 and 112,298,833.20

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Solution

The fourth proportional to 137,808,001.20, 206,712,001.80 and 112,298,833.20 is: 168,448,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,808,001.20 : 206,712,001.80 = 112,298,833.20 : x
  2. Step 2: Convert to fraction form
    137,808,001.20/206,712,001.80 = 112,298,833.20/x
  3. Step 3: Cross multiply
    137,808,001.20x = 206,712,001.80 × 112,298,833.20
  4. Step 4: Simplify right side
    137,808,001.20x = 23,213,516,610,576,300
  5. Step 5: Solve for x
    x = 23,213,516,610,576,300/137,808,001.20
  6. Step 6: Final answer
    x = 168,448,249.80

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1.5x scale

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.