Home / 88,706,909.20-133,060,363.80-82,071,389.20

Finding the Fourth Proportional to 88,706,909.20, 133,060,363.80 and 82,071,389.20

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Solution

The fourth proportional to 88,706,909.20, 133,060,363.80 and 82,071,389.20 is: 123,107,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706,909.20 : 133,060,363.80 = 82,071,389.20 : x
  2. Step 2: Convert to fraction form
    88,706,909.20/133,060,363.80 = 82,071,389.20/x
  3. Step 3: Cross multiply
    88,706,909.20x = 133,060,363.80 × 82,071,389.20
  4. Step 4: Simplify right side
    88,706,909.20x = 10,920,448,904,523,392
  5. Step 5: Solve for x
    x = 10,920,448,904,523,392/88,706,909.20
  6. Step 6: Final answer
    x = 123,107,083.80

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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.