Home / 155,913,728,292.60-215,155,378,039.50-88,246,865,683.32

Finding the Fourth Proportional to 155,913,728,292.60, 215,155,378,039.50 and 88,246,865,683.32

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Solution

The fourth proportional to 155,913,728,292.60, 215,155,378,039.50 and 88,246,865,683.32 is: 121,777,523,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,913,728,292.60 : 215,155,378,039.50 = 88,246,865,683.32 : x
  2. Step 2: Convert to fraction form
    155,913,728,292.60/215,155,378,039.50 = 88,246,865,683.32/x
  3. Step 3: Cross multiply
    155,913,728,292.60x = 215,155,378,039.50 × 88,246,865,683.32
  4. Step 4: Simplify right side
    155,913,728,292.60x = 18,986,787,746,895,695,446,016
  5. Step 5: Solve for x
    x = 18,986,787,746,895,695,446,016/155,913,728,292.60
  6. Step 6: Final answer
    x = 121,777,523,729.43

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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.