Home / 98,496,092.80-147,744,139.20-66,247,465.60

Finding the Fourth Proportional to 98,496,092.80, 147,744,139.20 and 66,247,465.60

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Solution

The fourth proportional to 98,496,092.80, 147,744,139.20 and 66,247,465.60 is: 99,371,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496,092.80 : 147,744,139.20 = 66,247,465.60 : x
  2. Step 2: Convert to fraction form
    98,496,092.80/147,744,139.20 = 66,247,465.60/x
  3. Step 3: Cross multiply
    98,496,092.80x = 147,744,139.20 × 66,247,465.60
  4. Step 4: Simplify right side
    98,496,092.80x = 9,787,674,779,253,610
  5. Step 5: Solve for x
    x = 9,787,674,779,253,610/98,496,092.80
  6. Step 6: Final answer
    x = 99,371,198.40

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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.