Home / 86,023,194.08-129,075,147.38-42,895,760.48

Finding the Fourth Proportional to 86,023,194.08, 129,075,147.38 and 42,895,760.48

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Solution

The fourth proportional to 86,023,194.08, 129,075,147.38 and 42,895,760.48 is: 64,363,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,023,194.08 : 129,075,147.38 = 42,895,760.48 : x
  2. Step 2: Convert to fraction form
    86,023,194.08/129,075,147.38 = 42,895,760.48/x
  3. Step 3: Cross multiply
    86,023,194.08x = 129,075,147.38 × 42,895,760.48
  4. Step 4: Simplify right side
    86,023,194.08x = 5,536,776,606,363,107
  5. Step 5: Solve for x
    x = 5,536,776,606,363,107/86,023,194.08
  6. Step 6: Final answer
    x = 64,363,764.51

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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.