Home / 124,092,362.40-186,138,543.60-82,480,532.10

Finding the Fourth Proportional to 124,092,362.40, 186,138,543.60 and 82,480,532.10

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Solution

The fourth proportional to 124,092,362.40, 186,138,543.60 and 82,480,532.10 is: 123,720,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,092,362.40 : 186,138,543.60 = 82,480,532.10 : x
  2. Step 2: Convert to fraction form
    124,092,362.40/186,138,543.60 = 82,480,532.10/x
  3. Step 3: Cross multiply
    124,092,362.40x = 186,138,543.60 × 82,480,532.10
  4. Step 4: Simplify right side
    124,092,362.40x = 15,352,806,120,447,048
  5. Step 5: Solve for x
    x = 15,352,806,120,447,048/124,092,362.40
  6. Step 6: Final answer
    x = 123,720,798.15

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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.