Home / 161,838,983.10-242,758,474.65-143,132,259.90

Finding the Fourth Proportional to 161,838,983.10, 242,758,474.65 and 143,132,259.90

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Solution

The fourth proportional to 161,838,983.10, 242,758,474.65 and 143,132,259.90 is: 214,698,389.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,838,983.10 : 242,758,474.65 = 143,132,259.90 : x
  2. Step 2: Convert to fraction form
    161,838,983.10/242,758,474.65 = 143,132,259.90/x
  3. Step 3: Cross multiply
    161,838,983.10x = 242,758,474.65 × 143,132,259.90
  4. Step 4: Simplify right side
    161,838,983.10x = 34,746,569,086,531,364
  5. Step 5: Solve for x
    x = 34,746,569,086,531,364/161,838,983.10
  6. Step 6: Final answer
    x = 214,698,389.85

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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.