Home / 129,344,999.10-193,734,063.45-114,984,282.30

Finding the Fourth Proportional to 129,344,999.10, 193,734,063.45 and 114,984,282.30

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Solution

The fourth proportional to 129,344,999.10, 193,734,063.45 and 114,984,282.30 is: 172,224,457.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,344,999.10 : 193,734,063.45 = 114,984,282.30 : x
  2. Step 2: Convert to fraction form
    129,344,999.10/193,734,063.45 = 114,984,282.30/x
  3. Step 3: Cross multiply
    129,344,999.10x = 193,734,063.45 × 114,984,282.30
  4. Step 4: Simplify right side
    129,344,999.10x = 22,276,372,242,860,908
  5. Step 5: Solve for x
    x = 22,276,372,242,860,908/129,344,999.10
  6. Step 6: Final answer
    x = 172,224,457.06

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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.