Home / 90,115,967.60-124,362,480.60-50,963,599.22

Finding the Fourth Proportional to 90,115,967.60, 124,362,480.60 and 50,963,599.22

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Solution

The fourth proportional to 90,115,967.60, 124,362,480.60 and 50,963,599.22 is: 70,331,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,115,967.60 : 124,362,480.60 = 50,963,599.22 : x
  2. Step 2: Convert to fraction form
    90,115,967.60/124,362,480.60 = 50,963,599.22/x
  3. Step 3: Cross multiply
    90,115,967.60x = 124,362,480.60 × 50,963,599.22
  4. Step 4: Simplify right side
    90,115,967.60x = 6,337,959,618,681,613
  5. Step 5: Solve for x
    x = 6,337,959,618,681,613/90,115,967.60
  6. Step 6: Final answer
    x = 70,331,149.83

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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.