Home / 86,212,559.02-129,335,901.38-31,625,621.30

Finding the Fourth Proportional to 86,212,559.02, 129,335,901.38 and 31,625,621.30

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Solution

The fourth proportional to 86,212,559.02, 129,335,901.38 and 31,625,621.30 is: 47,444,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,212,559.02 : 129,335,901.38 = 31,625,621.30 : x
  2. Step 2: Convert to fraction form
    86,212,559.02/129,335,901.38 = 31,625,621.30/x
  3. Step 3: Cross multiply
    86,212,559.02x = 129,335,901.38 × 31,625,621.30
  4. Step 4: Simplify right side
    86,212,559.02x = 4,090,328,237,538,027.50
  5. Step 5: Solve for x
    x = 4,090,328,237,538,027.50/86,212,559.02
  6. Step 6: Final answer
    x = 47,444,691.17

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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.