Home / 137,448,547.20-206,172,820.80-60,732,086.40

Finding the Fourth Proportional to 137,448,547.20, 206,172,820.80 and 60,732,086.40

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Solution

The fourth proportional to 137,448,547.20, 206,172,820.80 and 60,732,086.40 is: 91,098,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,448,547.20 : 206,172,820.80 = 60,732,086.40 : x
  2. Step 2: Convert to fraction form
    137,448,547.20/206,172,820.80 = 60,732,086.40/x
  3. Step 3: Cross multiply
    137,448,547.20x = 206,172,820.80 × 60,732,086.40
  4. Step 4: Simplify right side
    137,448,547.20x = 12,521,305,566,157,318
  5. Step 5: Solve for x
    x = 12,521,305,566,157,318/137,448,547.20
  6. Step 6: Final answer
    x = 91,098,129.60

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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.