Home / 83,216,036.40-124,774,288.20-42,905,252.40

Finding the Fourth Proportional to 83,216,036.40, 124,774,288.20 and 42,905,252.40

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Solution

The fourth proportional to 83,216,036.40, 124,774,288.20 and 42,905,252.40 is: 64,332,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,216,036.40 : 124,774,288.20 = 42,905,252.40 : x
  2. Step 2: Convert to fraction form
    83,216,036.40/124,774,288.20 = 42,905,252.40/x
  3. Step 3: Cross multiply
    83,216,036.40x = 124,774,288.20 × 42,905,252.40
  4. Step 4: Simplify right side
    83,216,036.40x = 5,353,472,328,251,342
  5. Step 5: Solve for x
    x = 5,353,472,328,251,342/83,216,036.40
  6. Step 6: Final answer
    x = 64,332,219.60

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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.