Home / 255,492,055.10-383,238,082.65-147,660,707.90

Finding the Fourth Proportional to 255,492,055.10, 383,238,082.65 and 147,660,707.90

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Solution

The fourth proportional to 255,492,055.10, 383,238,082.65 and 147,660,707.90 is: 221,491,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,492,055.10 : 383,238,082.65 = 147,660,707.90 : x
  2. Step 2: Convert to fraction form
    255,492,055.10/383,238,082.65 = 147,660,707.90/x
  3. Step 3: Cross multiply
    255,492,055.10x = 383,238,082.65 × 147,660,707.90
  4. Step 4: Simplify right side
    255,492,055.10x = 56,589,206,578,337,704
  5. Step 5: Solve for x
    x = 56,589,206,578,337,704/255,492,055.10
  6. Step 6: Final answer
    x = 221,491,061.85

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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.