Home / 77,723,818.18-116,626,076.40-31,699,452.94

Finding the Fourth Proportional to 77,723,818.18, 116,626,076.40 and 31,699,452.94

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Solution

The fourth proportional to 77,723,818.18, 116,626,076.40 and 31,699,452.94 is: 47,565,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,723,818.18 : 116,626,076.40 = 31,699,452.94 : x
  2. Step 2: Convert to fraction form
    77,723,818.18/116,626,076.40 = 31,699,452.94/x
  3. Step 3: Cross multiply
    77,723,818.18x = 116,626,076.40 × 31,699,452.94
  4. Step 4: Simplify right side
    77,723,818.18x = 3,696,982,820,418,645
  5. Step 5: Solve for x
    x = 3,696,982,820,418,645/77,723,818.18
  6. Step 6: Final answer
    x = 47,565,635.70

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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.