Home / 146,653,558.20-220,148,298.90-86,103,401.40

Finding the Fourth Proportional to 146,653,558.20, 220,148,298.90 and 86,103,401.40

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Solution

The fourth proportional to 146,653,558.20, 220,148,298.90 and 86,103,401.40 is: 129,253,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,653,558.20 : 220,148,298.90 = 86,103,401.40 : x
  2. Step 2: Convert to fraction form
    146,653,558.20/220,148,298.90 = 86,103,401.40/x
  3. Step 3: Cross multiply
    146,653,558.20x = 220,148,298.90 × 86,103,401.40
  4. Step 4: Simplify right side
    146,653,558.20x = 18,955,517,347,713,880
  5. Step 5: Solve for x
    x = 18,955,517,347,713,880/146,653,558.20
  6. Step 6: Final answer
    x = 129,253,715.90

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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.