Home / 43,148,966.20-64,723,449.30-38,819,289.40

Finding the Fourth Proportional to 43,148,966.20, 64,723,449.30 and 38,819,289.40

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Solution

The fourth proportional to 43,148,966.20, 64,723,449.30 and 38,819,289.40 is: 58,228,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,148,966.20 : 64,723,449.30 = 38,819,289.40 : x
  2. Step 2: Convert to fraction form
    43,148,966.20/64,723,449.30 = 38,819,289.40/x
  3. Step 3: Cross multiply
    43,148,966.20x = 64,723,449.30 × 38,819,289.40
  4. Step 4: Simplify right side
    43,148,966.20x = 2,512,518,309,342,927
  5. Step 5: Solve for x
    x = 2,512,518,309,342,927/43,148,966.20
  6. Step 6: Final answer
    x = 58,228,934.10

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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.