Home / 86,985,621.20-130,520,422.20-61,371,477.20

Finding the Fourth Proportional to 86,985,621.20, 130,520,422.20 and 61,371,477.20

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Solution

The fourth proportional to 86,985,621.20, 130,520,422.20 and 61,371,477.20 is: 92,086,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,985,621.20 : 130,520,422.20 = 61,371,477.20 : x
  2. Step 2: Convert to fraction form
    86,985,621.20/130,520,422.20 = 61,371,477.20/x
  3. Step 3: Cross multiply
    86,985,621.20x = 130,520,422.20 × 61,371,477.20
  4. Step 4: Simplify right side
    86,985,621.20x = 8,010,231,115,181,674
  5. Step 5: Solve for x
    x = 8,010,231,115,181,674/86,985,621.20
  6. Step 6: Final answer
    x = 92,086,841.53

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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.