Home / 129,346,795.40-194,020,193.10-88,532,126.60

Finding the Fourth Proportional to 129,346,795.40, 194,020,193.10 and 88,532,126.60

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Solution

The fourth proportional to 129,346,795.40, 194,020,193.10 and 88,532,126.60 is: 132,798,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,346,795.40 : 194,020,193.10 = 88,532,126.60 : x
  2. Step 2: Convert to fraction form
    129,346,795.40/194,020,193.10 = 88,532,126.60/x
  3. Step 3: Cross multiply
    129,346,795.40x = 194,020,193.10 × 88,532,126.60
  4. Step 4: Simplify right side
    129,346,795.40x = 17,177,020,298,485,644
  5. Step 5: Solve for x
    x = 17,177,020,298,485,644/129,346,795.40
  6. Step 6: Final answer
    x = 132,798,189.90

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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.