Home / 78,224,256.32-107,948,660.64-43,417,250.24

Finding the Fourth Proportional to 78,224,256.32, 107,948,660.64 and 43,417,250.24

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Solution

The fourth proportional to 78,224,256.32, 107,948,660.64 and 43,417,250.24 is: 59,915,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,224,256.32 : 107,948,660.64 = 43,417,250.24 : x
  2. Step 2: Convert to fraction form
    78,224,256.32/107,948,660.64 = 43,417,250.24/x
  3. Step 3: Cross multiply
    78,224,256.32x = 107,948,660.64 × 43,417,250.24
  4. Step 4: Simplify right side
    78,224,256.32x = 4,686,834,012,079,719
  5. Step 5: Solve for x
    x = 4,686,834,012,079,719/78,224,256.32
  6. Step 6: Final answer
    x = 59,915,354.04

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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.