Home / 83,138,812.20-124,708,218.30-62,983,420.20

Finding the Fourth Proportional to 83,138,812.20, 124,708,218.30 and 62,983,420.20

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Solution

The fourth proportional to 83,138,812.20, 124,708,218.30 and 62,983,420.20 is: 94,475,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,138,812.20 : 124,708,218.30 = 62,983,420.20 : x
  2. Step 2: Convert to fraction form
    83,138,812.20/124,708,218.30 = 62,983,420.20/x
  3. Step 3: Cross multiply
    83,138,812.20x = 124,708,218.30 × 62,983,420.20
  4. Step 4: Simplify right side
    83,138,812.20x = 7,854,550,115,582,230
  5. Step 5: Solve for x
    x = 7,854,550,115,582,230/83,138,812.20
  6. Step 6: Final answer
    x = 94,475,130.30

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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.