Home / 91,701,340.80-137,552,011.20-61,090,339.20

Finding the Fourth Proportional to 91,701,340.80, 137,552,011.20 and 61,090,339.20

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Solution

The fourth proportional to 91,701,340.80, 137,552,011.20 and 61,090,339.20 is: 91,635,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,701,340.80 : 137,552,011.20 = 61,090,339.20 : x
  2. Step 2: Convert to fraction form
    91,701,340.80/137,552,011.20 = 61,090,339.20/x
  3. Step 3: Cross multiply
    91,701,340.80x = 137,552,011.20 × 61,090,339.20
  4. Step 4: Simplify right side
    91,701,340.80x = 8,403,099,021,850,199
  5. Step 5: Solve for x
    x = 8,403,099,021,850,199/91,701,340.80
  6. Step 6: Final answer
    x = 91,635,508.80

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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.