Home / 137,344,544.10-206,016,816.15-126,822,012.30

Finding the Fourth Proportional to 137,344,544.10, 206,016,816.15 and 126,822,012.30

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Solution

The fourth proportional to 137,344,544.10, 206,016,816.15 and 126,822,012.30 is: 190,233,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,344,544.10 : 206,016,816.15 = 126,822,012.30 : x
  2. Step 2: Convert to fraction form
    137,344,544.10/206,016,816.15 = 126,822,012.30/x
  3. Step 3: Cross multiply
    137,344,544.10x = 206,016,816.15 × 126,822,012.30
  4. Step 4: Simplify right side
    137,344,544.10x = 26,127,467,191,782,140
  5. Step 5: Solve for x
    x = 26,127,467,191,782,140/137,344,544.10
  6. Step 6: Final answer
    x = 190,233,018.45

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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.