Home / 55,525,680,499.28-83,288,339,082.12-20,152,988,767.76

Finding the Fourth Proportional to 55,525,680,499.28, 83,288,339,082.12 and 20,152,988,767.76

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Solution

The fourth proportional to 55,525,680,499.28, 83,288,339,082.12 and 20,152,988,767.76 is: 30,229,417,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,525,680,499.28 : 83,288,339,082.12 = 20,152,988,767.76 : x
  2. Step 2: Convert to fraction form
    55,525,680,499.28/83,288,339,082.12 = 20,152,988,767.76/x
  3. Step 3: Cross multiply
    55,525,680,499.28x = 83,288,339,082.12 × 20,152,988,767.76
  4. Step 4: Simplify right side
    55,525,680,499.28x = 1,678,508,962,007,350,247,424
  5. Step 5: Solve for x
    x = 1,678,508,962,007,350,247,424/55,525,680,499.28
  6. Step 6: Final answer
    x = 30,229,417,215.86

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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.