Home / 123,857,443.20-185,786,164.80-83,042,774.40

Finding the Fourth Proportional to 123,857,443.20, 185,786,164.80 and 83,042,774.40

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Solution

The fourth proportional to 123,857,443.20, 185,786,164.80 and 83,042,774.40 is: 124,564,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,857,443.20 : 185,786,164.80 = 83,042,774.40 : x
  2. Step 2: Convert to fraction form
    123,857,443.20/185,786,164.80 = 83,042,774.40/x
  3. Step 3: Cross multiply
    123,857,443.20x = 185,786,164.80 × 83,042,774.40
  4. Step 4: Simplify right side
    123,857,443.20x = 15,428,198,570,127,624
  5. Step 5: Solve for x
    x = 15,428,198,570,127,624/123,857,443.20
  6. Step 6: Final answer
    x = 124,564,161.60

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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.