Home / 124,632,221.40-186,948,332.10-103,398,557.40

Finding the Fourth Proportional to 124,632,221.40, 186,948,332.10 and 103,398,557.40

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Solution

The fourth proportional to 124,632,221.40, 186,948,332.10 and 103,398,557.40 is: 155,097,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,632,221.40 : 186,948,332.10 = 103,398,557.40 : x
  2. Step 2: Convert to fraction form
    124,632,221.40/186,948,332.10 = 103,398,557.40/x
  3. Step 3: Cross multiply
    124,632,221.40x = 186,948,332.10 × 103,398,557.40
  4. Step 4: Simplify right side
    124,632,221.40x = 19,330,187,847,476,112
  5. Step 5: Solve for x
    x = 19,330,187,847,476,112/124,632,221.40
  6. Step 6: Final answer
    x = 155,097,836.10

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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.