Home / 145,028,671.20-217,543,006.80-49,290,559.20

Finding the Fourth Proportional to 145,028,671.20, 217,543,006.80 and 49,290,559.20

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Solution

The fourth proportional to 145,028,671.20, 217,543,006.80 and 49,290,559.20 is: 73,935,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,028,671.20 : 217,543,006.80 = 49,290,559.20 : x
  2. Step 2: Convert to fraction form
    145,028,671.20/217,543,006.80 = 49,290,559.20/x
  3. Step 3: Cross multiply
    145,028,671.20x = 217,543,006.80 × 49,290,559.20
  4. Step 4: Simplify right side
    145,028,671.20x = 10,722,816,455,221,404
  5. Step 5: Solve for x
    x = 10,722,816,455,221,404/145,028,671.20
  6. Step 6: Final answer
    x = 73,935,838.80

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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.