Home / 239,851,599.12-330,996,280.32-129,843,311.76

Finding the Fourth Proportional to 239,851,599.12, 330,996,280.32 and 129,843,311.76

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Solution

The fourth proportional to 239,851,599.12, 330,996,280.32 and 129,843,311.76 is: 179,184,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,851,599.12 : 330,996,280.32 = 129,843,311.76 : x
  2. Step 2: Convert to fraction form
    239,851,599.12/330,996,280.32 = 129,843,311.76/x
  3. Step 3: Cross multiply
    239,851,599.12x = 330,996,280.32 × 129,843,311.76
  4. Step 4: Simplify right side
    239,851,599.12x = 42,977,653,216,990,112
  5. Step 5: Solve for x
    x = 42,977,653,216,990,112/239,851,599.12
  6. Step 6: Final answer
    x = 179,184,351.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.