Home / 145,060,757.30-200,181,967.30-78,980,497.63

Finding the Fourth Proportional to 145,060,757.30, 200,181,967.30 and 78,980,497.63

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Solution

The fourth proportional to 145,060,757.30, 200,181,967.30 and 78,980,497.63 is: 108,992,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,060,757.30 : 200,181,967.30 = 78,980,497.63 : x
  2. Step 2: Convert to fraction form
    145,060,757.30/200,181,967.30 = 78,980,497.63/x
  3. Step 3: Cross multiply
    145,060,757.30x = 200,181,967.30 × 78,980,497.63
  4. Step 4: Simplify right side
    145,060,757.30x = 15,810,471,393,906,388
  5. Step 5: Solve for x
    x = 15,810,471,393,906,388/145,060,757.30
  6. Step 6: Final answer
    x = 108,992,064.35

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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.