Home / 99,569,612.64-137,314,750.30-68,253,172.32

Finding the Fourth Proportional to 99,569,612.64, 137,314,750.30 and 68,253,172.32

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Solution

The fourth proportional to 99,569,612.64, 137,314,750.30 and 68,253,172.32 is: 94,126,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,569,612.64 : 137,314,750.30 = 68,253,172.32 : x
  2. Step 2: Convert to fraction form
    99,569,612.64/137,314,750.30 = 68,253,172.32/x
  3. Step 3: Cross multiply
    99,569,612.64x = 137,314,750.30 × 68,253,172.32
  4. Step 4: Simplify right side
    99,569,612.64x = 9,372,167,314,133,038
  5. Step 5: Solve for x
    x = 9,372,167,314,133,038/99,569,612.64
  6. Step 6: Final answer
    x = 94,126,782.92

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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.