Home / 124,416,896.80-186,625,345.20-69,997,338.40

Finding the Fourth Proportional to 124,416,896.80, 186,625,345.20 and 69,997,338.40

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Solution

The fourth proportional to 124,416,896.80, 186,625,345.20 and 69,997,338.40 is: 104,996,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,896.80 : 186,625,345.20 = 69,997,338.40 : x
  2. Step 2: Convert to fraction form
    124,416,896.80/186,625,345.20 = 69,997,338.40/x
  3. Step 3: Cross multiply
    124,416,896.80x = 186,625,345.20 × 69,997,338.40
  4. Step 4: Simplify right side
    124,416,896.80x = 13,063,277,441,981,216
  5. Step 5: Solve for x
    x = 13,063,277,441,981,216/124,416,896.80
  6. Step 6: Final answer
    x = 104,996,007.60

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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.