Home / 79,853,670.60-119,780,117.10-31,297,216.20

Finding the Fourth Proportional to 79,853,670.60, 119,780,117.10 and 31,297,216.20

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Solution

The fourth proportional to 79,853,670.60, 119,780,117.10 and 31,297,216.20 is: 46,945,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,853,670.60 : 119,780,117.10 = 31,297,216.20 : x
  2. Step 2: Convert to fraction form
    79,853,670.60/119,780,117.10 = 31,297,216.20/x
  3. Step 3: Cross multiply
    79,853,670.60x = 119,780,117.10 × 31,297,216.20
  4. Step 4: Simplify right side
    79,853,670.60x = 3,748,784,221,340,016.50
  5. Step 5: Solve for x
    x = 3,748,784,221,340,016.50/79,853,670.60
  6. Step 6: Final answer
    x = 46,945,671.92

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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.