Home / 369,850,515.75-554,847,149.52-120,788,816.13

Finding the Fourth Proportional to 369,850,515.75, 554,847,149.52 and 120,788,816.13

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Solution

The fourth proportional to 369,850,515.75, 554,847,149.52 and 120,788,816.13 is: 181,206,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,850,515.75 : 554,847,149.52 = 120,788,816.13 : x
  2. Step 2: Convert to fraction form
    369,850,515.75/554,847,149.52 = 120,788,816.13/x
  3. Step 3: Cross multiply
    369,850,515.75x = 554,847,149.52 × 120,788,816.13
  4. Step 4: Simplify right side
    369,850,515.75x = 67,019,330,323,625,896
  5. Step 5: Solve for x
    x = 67,019,330,323,625,896/369,850,515.75
  6. Step 6: Final answer
    x = 181,206,534.72

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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.