Home / 99,084,621.60-136,735,969.32-54,431,341.20

Finding the Fourth Proportional to 99,084,621.60, 136,735,969.32 and 54,431,341.20

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Solution

The fourth proportional to 99,084,621.60, 136,735,969.32 and 54,431,341.20 is: 75,114,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,084,621.60 : 136,735,969.32 = 54,431,341.20 : x
  2. Step 2: Convert to fraction form
    99,084,621.60/136,735,969.32 = 54,431,341.20/x
  3. Step 3: Cross multiply
    99,084,621.60x = 136,735,969.32 × 54,431,341.20
  4. Step 4: Simplify right side
    99,084,621.60x = 7,442,722,200,369,652
  5. Step 5: Solve for x
    x = 7,442,722,200,369,652/99,084,621.60
  6. Step 6: Final answer
    x = 75,114,806.72

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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.