Home / 83,665,686.40-125,498,529.60-23,081,315.20

Finding the Fourth Proportional to 83,665,686.40, 125,498,529.60 and 23,081,315.20

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Solution

The fourth proportional to 83,665,686.40, 125,498,529.60 and 23,081,315.20 is: 34,621,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,665,686.40 : 125,498,529.60 = 23,081,315.20 : x
  2. Step 2: Convert to fraction form
    83,665,686.40/125,498,529.60 = 23,081,315.20/x
  3. Step 3: Cross multiply
    83,665,686.40x = 125,498,529.60 × 23,081,315.20
  4. Step 4: Simplify right side
    83,665,686.40x = 2,896,671,118,834,129.50
  5. Step 5: Solve for x
    x = 2,896,671,118,834,129.50/83,665,686.40
  6. Step 6: Final answer
    x = 34,621,972.80

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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.