Home / 88,706,081.20-133,059,121.80-82,070,561.20

Finding the Fourth Proportional to 88,706,081.20, 133,059,121.80 and 82,070,561.20

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Solution

The fourth proportional to 88,706,081.20, 133,059,121.80 and 82,070,561.20 is: 123,105,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706,081.20 : 133,059,121.80 = 82,070,561.20 : x
  2. Step 2: Convert to fraction form
    88,706,081.20/133,059,121.80 = 82,070,561.20/x
  3. Step 3: Cross multiply
    88,706,081.20x = 133,059,121.80 × 82,070,561.20
  4. Step 4: Simplify right side
    88,706,081.20x = 10,920,236,798,905,154
  5. Step 5: Solve for x
    x = 10,920,236,798,905,154/88,706,081.20
  6. Step 6: Final answer
    x = 123,105,841.80

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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.