Home / 61,207,400.30-91,811,100.45-53,235,785.30

Finding the Fourth Proportional to 61,207,400.30, 91,811,100.45 and 53,235,785.30

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Solution

The fourth proportional to 61,207,400.30, 91,811,100.45 and 53,235,785.30 is: 79,853,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,207,400.30 : 91,811,100.45 = 53,235,785.30 : x
  2. Step 2: Convert to fraction form
    61,207,400.30/91,811,100.45 = 53,235,785.30/x
  3. Step 3: Cross multiply
    61,207,400.30x = 91,811,100.45 × 53,235,785.30
  4. Step 4: Simplify right side
    61,207,400.30x = 4,887,636,031,712,933
  5. Step 5: Solve for x
    x = 4,887,636,031,712,933/61,207,400.30
  6. Step 6: Final answer
    x = 79,853,677.95

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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.