Home / 146,794,442.02-220,046,218.74-68,931,964.52

Finding the Fourth Proportional to 146,794,442.02, 220,046,218.74 and 68,931,964.52

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Solution

The fourth proportional to 146,794,442.02, 220,046,218.74 and 68,931,964.52 is: 103,329,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,794,442.02 : 220,046,218.74 = 68,931,964.52 : x
  2. Step 2: Convert to fraction form
    146,794,442.02/220,046,218.74 = 68,931,964.52/x
  3. Step 3: Cross multiply
    146,794,442.02x = 220,046,218.74 × 68,931,964.52
  4. Step 4: Simplify right side
    146,794,442.02x = 15,168,218,142,945,838
  5. Step 5: Solve for x
    x = 15,168,218,142,945,838/146,794,442.02
  6. Step 6: Final answer
    x = 103,329,648.82

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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.