Home / 125,005,318.92-172,567,152.90-83,258,857.80

Finding the Fourth Proportional to 125,005,318.92, 172,567,152.90 and 83,258,857.80

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Solution

The fourth proportional to 125,005,318.92, 172,567,152.90 and 83,258,857.80 is: 114,937,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,005,318.92 : 172,567,152.90 = 83,258,857.80 : x
  2. Step 2: Convert to fraction form
    125,005,318.92/172,567,152.90 = 83,258,857.80/x
  3. Step 3: Cross multiply
    125,005,318.92x = 172,567,152.90 × 83,258,857.80
  4. Step 4: Simplify right side
    125,005,318.92x = 14,367,744,044,251,958
  5. Step 5: Solve for x
    x = 14,367,744,044,251,958/125,005,318.92
  6. Step 6: Final answer
    x = 114,937,061.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.