Home / 134,136,909.10-201,205,363.65-72,914,905.90

Finding the Fourth Proportional to 134,136,909.10, 201,205,363.65 and 72,914,905.90

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Solution

The fourth proportional to 134,136,909.10, 201,205,363.65 and 72,914,905.90 is: 109,372,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136,909.10 : 201,205,363.65 = 72,914,905.90 : x
  2. Step 2: Convert to fraction form
    134,136,909.10/201,205,363.65 = 72,914,905.90/x
  3. Step 3: Cross multiply
    134,136,909.10x = 201,205,363.65 × 72,914,905.90
  4. Step 4: Simplify right side
    134,136,909.10x = 14,670,870,157,115,032
  5. Step 5: Solve for x
    x = 14,670,870,157,115,032/134,136,909.10
  6. Step 6: Final answer
    x = 109,372,358.85

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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.