Home / 129,129,904.70-193,694,857.05-47,248,624.70

Finding the Fourth Proportional to 129,129,904.70, 193,694,857.05 and 47,248,624.70

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Solution

The fourth proportional to 129,129,904.70, 193,694,857.05 and 47,248,624.70 is: 70,872,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,129,904.70 : 193,694,857.05 = 47,248,624.70 : x
  2. Step 2: Convert to fraction form
    129,129,904.70/193,694,857.05 = 47,248,624.70/x
  3. Step 3: Cross multiply
    129,129,904.70x = 193,694,857.05 × 47,248,624.70
  4. Step 4: Simplify right side
    129,129,904.70x = 9,151,815,607,075,600
  5. Step 5: Solve for x
    x = 9,151,815,607,075,600/129,129,904.70
  6. Step 6: Final answer
    x = 70,872,937.05

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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.