Home / 153,484,821.60-229,849,318.80-72,611,311.20

Finding the Fourth Proportional to 153,484,821.60, 229,849,318.80 and 72,611,311.20

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Solution

The fourth proportional to 153,484,821.60, 229,849,318.80 and 72,611,311.20 is: 108,738,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,484,821.60 : 229,849,318.80 = 72,611,311.20 : x
  2. Step 2: Convert to fraction form
    153,484,821.60/229,849,318.80 = 72,611,311.20/x
  3. Step 3: Cross multiply
    153,484,821.60x = 229,849,318.80 × 72,611,311.20
  4. Step 4: Simplify right side
    153,484,821.60x = 16,689,660,416,494,812
  5. Step 5: Solve for x
    x = 16,689,660,416,494,812/153,484,821.60
  6. Step 6: Final answer
    x = 108,738,181.68

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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.