Home / 208,744,704.32-288,059,800.05-115,931,190.87

Finding the Fourth Proportional to 208,744,704.32, 288,059,800.05 and 115,931,190.87

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Solution

The fourth proportional to 208,744,704.32, 288,059,800.05 and 115,931,190.87 is: 159,980,660.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,744,704.32 : 288,059,800.05 = 115,931,190.87 : x
  2. Step 2: Convert to fraction form
    208,744,704.32/288,059,800.05 = 115,931,190.87/x
  3. Step 3: Cross multiply
    208,744,704.32x = 288,059,800.05 × 115,931,190.87
  4. Step 4: Simplify right side
    208,744,704.32x = 33,395,115,661,897,516
  5. Step 5: Solve for x
    x = 33,395,115,661,897,516/208,744,704.32
  6. Step 6: Final answer
    x = 159,980,660.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.