Home / 161,838,897.60-242,758,346.40-92,680,708.80

Finding the Fourth Proportional to 161,838,897.60, 242,758,346.40 and 92,680,708.80

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Solution

The fourth proportional to 161,838,897.60, 242,758,346.40 and 92,680,708.80 is: 139,021,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,838,897.60 : 242,758,346.40 = 92,680,708.80 : x
  2. Step 2: Convert to fraction form
    161,838,897.60/242,758,346.40 = 92,680,708.80/x
  3. Step 3: Cross multiply
    161,838,897.60x = 242,758,346.40 × 92,680,708.80
  4. Step 4: Simplify right side
    161,838,897.60x = 22,499,015,611,467,928
  5. Step 5: Solve for x
    x = 22,499,015,611,467,928/161,838,897.60
  6. Step 6: Final answer
    x = 139,021,063.20

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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.