Home / 56,862,002.10-85,293,003.15-28,112,574.90

Finding the Fourth Proportional to 56,862,002.10, 85,293,003.15 and 28,112,574.90

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Solution

The fourth proportional to 56,862,002.10, 85,293,003.15 and 28,112,574.90 is: 42,168,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,862,002.10 : 85,293,003.15 = 28,112,574.90 : x
  2. Step 2: Convert to fraction form
    56,862,002.10/85,293,003.15 = 28,112,574.90/x
  3. Step 3: Cross multiply
    56,862,002.10x = 85,293,003.15 × 28,112,574.90
  4. Step 4: Simplify right side
    56,862,002.10x = 2,397,805,939,500,311
  5. Step 5: Solve for x
    x = 2,397,805,939,500,311/56,862,002.10
  6. Step 6: Final answer
    x = 42,168,862.35

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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.