Home / 157,473,246.80-236,091,772.20-80,851,264.40

Finding the Fourth Proportional to 157,473,246.80, 236,091,772.20 and 80,851,264.40

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Solution

The fourth proportional to 157,473,246.80, 236,091,772.20 and 80,851,264.40 is: 121,216,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,473,246.80 : 236,091,772.20 = 80,851,264.40 : x
  2. Step 2: Convert to fraction form
    157,473,246.80/236,091,772.20 = 80,851,264.40/x
  3. Step 3: Cross multiply
    157,473,246.80x = 236,091,772.20 × 80,851,264.40
  4. Step 4: Simplify right side
    157,473,246.80x = 19,088,318,296,806,772
  5. Step 5: Solve for x
    x = 19,088,318,296,806,772/157,473,246.80
  6. Step 6: Final answer
    x = 121,216,261.71

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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.