Home / 56,878,895.20-85,174,000.80-31,290,995.20

Finding the Fourth Proportional to 56,878,895.20, 85,174,000.80 and 31,290,995.20

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Solution

The fourth proportional to 56,878,895.20, 85,174,000.80 and 31,290,995.20 is: 46,857,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,878,895.20 : 85,174,000.80 = 31,290,995.20 : x
  2. Step 2: Convert to fraction form
    56,878,895.20/85,174,000.80 = 31,290,995.20/x
  3. Step 3: Cross multiply
    56,878,895.20x = 85,174,000.80 × 31,290,995.20
  4. Step 4: Simplify right side
    56,878,895.20x = 2,665,179,250,197,596
  5. Step 5: Solve for x
    x = 2,665,179,250,197,596/56,878,895.20
  6. Step 6: Final answer
    x = 46,857,085.41

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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.