Home / 126,248,575.16-189,205,447.89-64,835,253.20

Finding the Fourth Proportional to 126,248,575.16, 189,205,447.89 and 64,835,253.20

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Solution

The fourth proportional to 126,248,575.16, 189,205,447.89 and 64,835,253.20 is: 97,166,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,248,575.16 : 189,205,447.89 = 64,835,253.20 : x
  2. Step 2: Convert to fraction form
    126,248,575.16/189,205,447.89 = 64,835,253.20/x
  3. Step 3: Cross multiply
    126,248,575.16x = 189,205,447.89 × 64,835,253.20
  4. Step 4: Simplify right side
    126,248,575.16x = 12,267,183,120,767,556
  5. Step 5: Solve for x
    x = 12,267,183,120,767,556/126,248,575.16
  6. Step 6: Final answer
    x = 97,166,903.51

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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.