Home / 103,639,298.65-155,458,947.98-49,158,292.40

Finding the Fourth Proportional to 103,639,298.65, 155,458,947.98 and 49,158,292.40

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Solution

The fourth proportional to 103,639,298.65, 155,458,947.98 and 49,158,292.40 is: 73,737,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,639,298.65 : 155,458,947.98 = 49,158,292.40 : x
  2. Step 2: Convert to fraction form
    103,639,298.65/155,458,947.98 = 49,158,292.40/x
  3. Step 3: Cross multiply
    103,639,298.65x = 155,458,947.98 × 49,158,292.40
  4. Step 4: Simplify right side
    103,639,298.65x = 7,642,096,420,997,229
  5. Step 5: Solve for x
    x = 7,642,096,420,997,229/103,639,298.65
  6. Step 6: Final answer
    x = 73,737,438.60

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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.