Home / 359,384,050.70-539,135,641.62-126,154,247.81

Finding the Fourth Proportional to 359,384,050.70, 539,135,641.62 and 126,154,247.81

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Solution

The fourth proportional to 359,384,050.70, 539,135,641.62 and 126,154,247.81 is: 189,252,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,384,050.70 : 539,135,641.62 = 126,154,247.81 : x
  2. Step 2: Convert to fraction form
    359,384,050.70/539,135,641.62 = 126,154,247.81/x
  3. Step 3: Cross multiply
    359,384,050.70x = 539,135,641.62 × 126,154,247.81
  4. Step 4: Simplify right side
    359,384,050.70x = 68,014,251,337,480,672
  5. Step 5: Solve for x
    x = 68,014,251,337,480,672/359,384,050.70
  6. Step 6: Final answer
    x = 189,252,280.97

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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.