Home / 141,921,842.61-212,884,469.78-55,700,854.77

Finding the Fourth Proportional to 141,921,842.61, 212,884,469.78 and 55,700,854.77

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Solution

The fourth proportional to 141,921,842.61, 212,884,469.78 and 55,700,854.77 is: 83,551,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,921,842.61 : 212,884,469.78 = 55,700,854.77 : x
  2. Step 2: Convert to fraction form
    141,921,842.61/212,884,469.78 = 55,700,854.77/x
  3. Step 3: Cross multiply
    141,921,842.61x = 212,884,469.78 × 55,700,854.77
  4. Step 4: Simplify right side
    141,921,842.61x = 11,857,846,934,004,234
  5. Step 5: Solve for x
    x = 11,857,846,934,004,234/141,921,842.61
  6. Step 6: Final answer
    x = 83,551,951.67

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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.