Home / 154,249,179.92-231,220,495.20-77,337,463.76

Finding the Fourth Proportional to 154,249,179.92, 231,220,495.20 and 77,337,463.76

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Solution

The fourth proportional to 154,249,179.92, 231,220,495.20 and 77,337,463.76 is: 115,929,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,249,179.92 : 231,220,495.20 = 77,337,463.76 : x
  2. Step 2: Convert to fraction form
    154,249,179.92/231,220,495.20 = 77,337,463.76/x
  3. Step 3: Cross multiply
    154,249,179.92x = 231,220,495.20 × 77,337,463.76
  4. Step 4: Simplify right side
    154,249,179.92x = 17,882,006,668,099,254
  5. Step 5: Solve for x
    x = 17,882,006,668,099,254/154,249,179.92
  6. Step 6: Final answer
    x = 115,929,346.77

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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.