Home / 138,926,875.32-208,420,406.04-41,874,463.80

Finding the Fourth Proportional to 138,926,875.32, 208,420,406.04 and 41,874,463.80

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Solution

The fourth proportional to 138,926,875.32, 208,420,406.04 and 41,874,463.80 is: 62,820,766.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,926,875.32 : 208,420,406.04 = 41,874,463.80 : x
  2. Step 2: Convert to fraction form
    138,926,875.32/208,420,406.04 = 41,874,463.80/x
  3. Step 3: Cross multiply
    138,926,875.32x = 208,420,406.04 × 41,874,463.80
  4. Step 4: Simplify right side
    138,926,875.32x = 8,727,492,747,903,280
  5. Step 5: Solve for x
    x = 8,727,492,747,903,280/138,926,875.32
  6. Step 6: Final answer
    x = 62,820,766.16

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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.