Home / 159,772,443.90-239,658,665.85-91,747,995.90

Finding the Fourth Proportional to 159,772,443.90, 239,658,665.85 and 91,747,995.90

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Solution

The fourth proportional to 159,772,443.90, 239,658,665.85 and 91,747,995.90 is: 137,621,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,772,443.90 : 239,658,665.85 = 91,747,995.90 : x
  2. Step 2: Convert to fraction form
    159,772,443.90/239,658,665.85 = 91,747,995.90/x
  3. Step 3: Cross multiply
    159,772,443.90x = 239,658,665.85 × 91,747,995.90
  4. Step 4: Simplify right side
    159,772,443.90x = 21,988,202,291,805,272
  5. Step 5: Solve for x
    x = 21,988,202,291,805,272/159,772,443.90
  6. Step 6: Final answer
    x = 137,621,993.85

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1.5x scale

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.