Home / 173,387,105.60-239,265,013.20-99,033,065.12

Finding the Fourth Proportional to 173,387,105.60, 239,265,013.20 and 99,033,065.12

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Solution

The fourth proportional to 173,387,105.60, 239,265,013.20 and 99,033,065.12 is: 136,660,379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,387,105.60 : 239,265,013.20 = 99,033,065.12 : x
  2. Step 2: Convert to fraction form
    173,387,105.60/239,265,013.20 = 99,033,065.12/x
  3. Step 3: Cross multiply
    173,387,105.60x = 239,265,013.20 × 99,033,065.12
  4. Step 4: Simplify right side
    173,387,105.60x = 23,695,147,633,173,260
  5. Step 5: Solve for x
    x = 23,695,147,633,173,260/173,387,105.60
  6. Step 6: Final answer
    x = 136,660,379.39

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1.5x scale

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.