Home / 123,672,025.80-185,508,038.70-120,837,673.80

Finding the Fourth Proportional to 123,672,025.80, 185,508,038.70 and 120,837,673.80

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Solution

The fourth proportional to 123,672,025.80, 185,508,038.70 and 120,837,673.80 is: 181,256,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,672,025.80 : 185,508,038.70 = 120,837,673.80 : x
  2. Step 2: Convert to fraction form
    123,672,025.80/185,508,038.70 = 120,837,673.80/x
  3. Step 3: Cross multiply
    123,672,025.80x = 185,508,038.70 × 120,837,673.80
  4. Step 4: Simplify right side
    123,672,025.80x = 22,416,359,867,708,376
  5. Step 5: Solve for x
    x = 22,416,359,867,708,376/123,672,025.80
  6. Step 6: Final answer
    x = 181,256,510.70

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1.5x scale

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.