Home / 123,397,478.80-185,096,218.20-31,281,038.80

Finding the Fourth Proportional to 123,397,478.80, 185,096,218.20 and 31,281,038.80

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Solution

The fourth proportional to 123,397,478.80, 185,096,218.20 and 31,281,038.80 is: 46,921,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,397,478.80 : 185,096,218.20 = 31,281,038.80 : x
  2. Step 2: Convert to fraction form
    123,397,478.80/185,096,218.20 = 31,281,038.80/x
  3. Step 3: Cross multiply
    123,397,478.80x = 185,096,218.20 × 31,281,038.80
  4. Step 4: Simplify right side
    123,397,478.80x = 5,790,001,983,247,466
  5. Step 5: Solve for x
    x = 5,790,001,983,247,466/123,397,478.80
  6. Step 6: Final answer
    x = 46,921,558.20

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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.