Home / 78,745,246.20-118,117,869.30-44,166,151.80

Finding the Fourth Proportional to 78,745,246.20, 118,117,869.30 and 44,166,151.80

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Solution

The fourth proportional to 78,745,246.20, 118,117,869.30 and 44,166,151.80 is: 66,249,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,745,246.20 : 118,117,869.30 = 44,166,151.80 : x
  2. Step 2: Convert to fraction form
    78,745,246.20/118,117,869.30 = 44,166,151.80/x
  3. Step 3: Cross multiply
    78,745,246.20x = 118,117,869.30 × 44,166,151.80
  4. Step 4: Simplify right side
    78,745,246.20x = 5,216,811,745,796,359
  5. Step 5: Solve for x
    x = 5,216,811,745,796,359/78,745,246.20
  6. Step 6: Final answer
    x = 66,249,227.70

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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.