Home / 83,216,034.40-124,774,285.20-42,905,250.40

Finding the Fourth Proportional to 83,216,034.40, 124,774,285.20 and 42,905,250.40

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Solution

The fourth proportional to 83,216,034.40, 124,774,285.20 and 42,905,250.40 is: 64,332,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,216,034.40 : 124,774,285.20 = 42,905,250.40 : x
  2. Step 2: Convert to fraction form
    83,216,034.40/124,774,285.20 = 42,905,250.40/x
  3. Step 3: Cross multiply
    83,216,034.40x = 124,774,285.20 × 42,905,250.40
  4. Step 4: Simplify right side
    83,216,034.40x = 5,353,471,949,987,014
  5. Step 5: Solve for x
    x = 5,353,471,949,987,014/83,216,034.40
  6. Step 6: Final answer
    x = 64,332,216.60

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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.