Home / 153,484,822.60-229,849,320.30-72,611,312.20

Finding the Fourth Proportional to 153,484,822.60, 229,849,320.30 and 72,611,312.20

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Solution

The fourth proportional to 153,484,822.60, 229,849,320.30 and 72,611,312.20 is: 108,738,183.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,484,822.60 : 229,849,320.30 = 72,611,312.20 : x
  2. Step 2: Convert to fraction form
    153,484,822.60/229,849,320.30 = 72,611,312.20/x
  3. Step 3: Cross multiply
    153,484,822.60x = 229,849,320.30 × 72,611,312.20
  4. Step 4: Simplify right side
    153,484,822.60x = 16,689,660,755,261,100
  5. Step 5: Solve for x
    x = 16,689,660,755,261,100/153,484,822.60
  6. Step 6: Final answer
    x = 108,738,183.18

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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.