Home / 48,049,866.93-72,101,038.78-20,379,480.47

Finding the Fourth Proportional to 48,049,866.93, 72,101,038.78 and 20,379,480.47

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Solution

The fourth proportional to 48,049,866.93, 72,101,038.78 and 20,379,480.47 is: 30,580,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,049,866.93 : 72,101,038.78 = 20,379,480.47 : x
  2. Step 2: Convert to fraction form
    48,049,866.93/72,101,038.78 = 20,379,480.47/x
  3. Step 3: Cross multiply
    48,049,866.93x = 72,101,038.78 × 20,379,480.47
  4. Step 4: Simplify right side
    48,049,866.93x = 1,469,381,712,024,639
  5. Step 5: Solve for x
    x = 1,469,381,712,024,639/48,049,866.93
  6. Step 6: Final answer
    x = 30,580,349.25

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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.