Home / 247,854,321.04-342,037,072.56-136,342,761.52

Finding the Fourth Proportional to 247,854,321.04, 342,037,072.56 and 136,342,761.52

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Solution

The fourth proportional to 247,854,321.04, 342,037,072.56 and 136,342,761.52 is: 188,151,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,854,321.04 : 342,037,072.56 = 136,342,761.52 : x
  2. Step 2: Convert to fraction form
    247,854,321.04/342,037,072.56 = 136,342,761.52/x
  3. Step 3: Cross multiply
    247,854,321.04x = 342,037,072.56 × 136,342,761.52
  4. Step 4: Simplify right side
    247,854,321.04x = 46,634,279,015,047,016
  5. Step 5: Solve for x
    x = 46,634,279,015,047,016/247,854,321.04
  6. Step 6: Final answer
    x = 188,151,970.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.