Home / 99,862,683.34-137,814,759.04-55,809,680.88

Finding the Fourth Proportional to 99,862,683.34, 137,814,759.04 and 55,809,680.88

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Solution

The fourth proportional to 99,862,683.34, 137,814,759.04 and 55,809,680.88 is: 77,019,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,862,683.34 : 137,814,759.04 = 55,809,680.88 : x
  2. Step 2: Convert to fraction form
    99,862,683.34/137,814,759.04 = 55,809,680.88/x
  3. Step 3: Cross multiply
    99,862,683.34x = 137,814,759.04 × 55,809,680.88
  4. Step 4: Simplify right side
    99,862,683.34x = 7,691,397,722,576,495
  5. Step 5: Solve for x
    x = 7,691,397,722,576,495/99,862,683.34
  6. Step 6: Final answer
    x = 77,019,738.16

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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.