Home / 64,069,086.80-96,114,101.88-20,925,765.20

Finding the Fourth Proportional to 64,069,086.80, 96,114,101.88 and 20,925,765.20

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Solution

The fourth proportional to 64,069,086.80, 96,114,101.88 and 20,925,765.20 is: 31,392,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,069,086.80 : 96,114,101.88 = 20,925,765.20 : x
  2. Step 2: Convert to fraction form
    64,069,086.80/96,114,101.88 = 20,925,765.20/x
  3. Step 3: Cross multiply
    64,069,086.80x = 96,114,101.88 × 20,925,765.20
  4. Step 4: Simplify right side
    64,069,086.80x = 2,011,261,128,349,758.50
  5. Step 5: Solve for x
    x = 2,011,261,128,349,758.50/64,069,086.80
  6. Step 6: Final answer
    x = 31,392,067.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.