Home / 161,838,003.60-242,757,005.40-147,010,799.70

Finding the Fourth Proportional to 161,838,003.60, 242,757,005.40 and 147,010,799.70

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Solution

The fourth proportional to 161,838,003.60, 242,757,005.40 and 147,010,799.70 is: 220,516,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,838,003.60 : 242,757,005.40 = 147,010,799.70 : x
  2. Step 2: Convert to fraction form
    161,838,003.60/242,757,005.40 = 147,010,799.70/x
  3. Step 3: Cross multiply
    161,838,003.60x = 242,757,005.40 × 147,010,799.70
  4. Step 4: Simplify right side
    161,838,003.60x = 35,687,901,496,631,216
  5. Step 5: Solve for x
    x = 35,687,901,496,631,216/161,838,003.60
  6. Step 6: Final answer
    x = 220,516,199.55

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1.5x scale

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.