Home / 99,743,127.70-149,331,256.35-88,405,719.70

Finding the Fourth Proportional to 99,743,127.70, 149,331,256.35 and 88,405,719.70

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Solution

The fourth proportional to 99,743,127.70, 149,331,256.35 and 88,405,719.70 is: 132,357,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,743,127.70 : 149,331,256.35 = 88,405,719.70 : x
  2. Step 2: Convert to fraction form
    99,743,127.70/149,331,256.35 = 88,405,719.70/x
  3. Step 3: Cross multiply
    99,743,127.70x = 149,331,256.35 × 88,405,719.70
  4. Step 4: Simplify right side
    99,743,127.70x = 13,201,737,191,326,946
  5. Step 5: Solve for x
    x = 13,201,737,191,326,946/99,743,127.70
  6. Step 6: Final answer
    x = 132,357,361.31

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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.