Home / 55,011,641.40-82,517,462.10-49,272,078.60

Finding the Fourth Proportional to 55,011,641.40, 82,517,462.10 and 49,272,078.60

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Solution

The fourth proportional to 55,011,641.40, 82,517,462.10 and 49,272,078.60 is: 73,908,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,011,641.40 : 82,517,462.10 = 49,272,078.60 : x
  2. Step 2: Convert to fraction form
    55,011,641.40/82,517,462.10 = 49,272,078.60/x
  3. Step 3: Cross multiply
    55,011,641.40x = 82,517,462.10 × 49,272,078.60
  4. Step 4: Simplify right side
    55,011,641.40x = 4,065,806,878,463,721
  5. Step 5: Solve for x
    x = 4,065,806,878,463,721/55,011,641.40
  6. Step 6: Final answer
    x = 73,908,117.90

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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.