Home / 155,913,728,291.60-215,155,378,038.12-88,246,865,682.32

Finding the Fourth Proportional to 155,913,728,291.60, 215,155,378,038.12 and 88,246,865,682.32

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Solution

The fourth proportional to 155,913,728,291.60, 215,155,378,038.12 and 88,246,865,682.32 is: 121,777,523,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,913,728,291.60 : 215,155,378,038.12 = 88,246,865,682.32 : x
  2. Step 2: Convert to fraction form
    155,913,728,291.60/215,155,378,038.12 = 88,246,865,682.32/x
  3. Step 3: Cross multiply
    155,913,728,291.60x = 215,155,378,038.12 × 88,246,865,682.32
  4. Step 4: Simplify right side
    155,913,728,291.60x = 18,986,787,746,558,758,617,088
  5. Step 5: Solve for x
    x = 18,986,787,746,558,758,617,088/155,913,728,291.60
  6. Step 6: Final answer
    x = 121,777,523,728.05

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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.