Home / 96,670,437.80-145,005,656.70-67,949,004.20

Finding the Fourth Proportional to 96,670,437.80, 145,005,656.70 and 67,949,004.20

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Solution

The fourth proportional to 96,670,437.80, 145,005,656.70 and 67,949,004.20 is: 101,923,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,670,437.80 : 145,005,656.70 = 67,949,004.20 : x
  2. Step 2: Convert to fraction form
    96,670,437.80/145,005,656.70 = 67,949,004.20/x
  3. Step 3: Cross multiply
    96,670,437.80x = 145,005,656.70 × 67,949,004.20
  4. Step 4: Simplify right side
    96,670,437.80x = 9,852,989,976,132,058
  5. Step 5: Solve for x
    x = 9,852,989,976,132,058/96,670,437.80
  6. Step 6: Final answer
    x = 101,923,506.30

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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.