Home / 145,512,438.30-218,268,657.45-88,116,810.30

Finding the Fourth Proportional to 145,512,438.30, 218,268,657.45 and 88,116,810.30

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Solution

The fourth proportional to 145,512,438.30, 218,268,657.45 and 88,116,810.30 is: 132,175,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,512,438.30 : 218,268,657.45 = 88,116,810.30 : x
  2. Step 2: Convert to fraction form
    145,512,438.30/218,268,657.45 = 88,116,810.30/x
  3. Step 3: Cross multiply
    145,512,438.30x = 218,268,657.45 × 88,116,810.30
  4. Step 4: Simplify right side
    145,512,438.30x = 19,233,137,882,957,332
  5. Step 5: Solve for x
    x = 19,233,137,882,957,332/145,512,438.30
  6. Step 6: Final answer
    x = 132,175,215.45

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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.