Home / 126,350,841.64-189,400,709.51-87,931,643.15

Finding the Fourth Proportional to 126,350,841.64, 189,400,709.51 and 87,931,643.15

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Solution

The fourth proportional to 126,350,841.64, 189,400,709.51 and 87,931,643.15 is: 131,810,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,350,841.64 : 189,400,709.51 = 87,931,643.15 : x
  2. Step 2: Convert to fraction form
    126,350,841.64/189,400,709.51 = 87,931,643.15/x
  3. Step 3: Cross multiply
    126,350,841.64x = 189,400,709.51 × 87,931,643.15
  4. Step 4: Simplify right side
    126,350,841.64x = 16,654,315,600,516,340
  5. Step 5: Solve for x
    x = 16,654,315,600,516,340/126,350,841.64
  6. Step 6: Final answer
    x = 131,810,088.36

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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.