Home / 137,671,364.91-206,446,448.35-72,960,008.68

Finding the Fourth Proportional to 137,671,364.91, 206,446,448.35 and 72,960,008.68

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Solution

The fourth proportional to 137,671,364.91, 206,446,448.35 and 72,960,008.68 is: 109,407,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,671,364.91 : 206,446,448.35 = 72,960,008.68 : x
  2. Step 2: Convert to fraction form
    137,671,364.91/206,446,448.35 = 72,960,008.68/x
  3. Step 3: Cross multiply
    137,671,364.91x = 206,446,448.35 × 72,960,008.68
  4. Step 4: Simplify right side
    137,671,364.91x = 15,062,334,663,920,430
  5. Step 5: Solve for x
    x = 15,062,334,663,920,430/137,671,364.91
  6. Step 6: Final answer
    x = 109,407,898.10

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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.