Home / 161,808,003.70-242,712,005.55-54,102,627.70

Finding the Fourth Proportional to 161,808,003.70, 242,712,005.55 and 54,102,627.70

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Solution

The fourth proportional to 161,808,003.70, 242,712,005.55 and 54,102,627.70 is: 81,153,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,808,003.70 : 242,712,005.55 = 54,102,627.70 : x
  2. Step 2: Convert to fraction form
    161,808,003.70/242,712,005.55 = 54,102,627.70/x
  3. Step 3: Cross multiply
    161,808,003.70x = 242,712,005.55 × 54,102,627.70
  4. Step 4: Simplify right side
    161,808,003.70x = 13,131,357,274,591,986
  5. Step 5: Solve for x
    x = 13,131,357,274,591,986/161,808,003.70
  6. Step 6: Final answer
    x = 81,153,941.55

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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.