Home / 260,024,011.76-390,030,553.11-63,288,522.57

Finding the Fourth Proportional to 260,024,011.76, 390,030,553.11 and 63,288,522.57

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Solution

The fourth proportional to 260,024,011.76, 390,030,553.11 and 63,288,522.57 is: 94,931,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,024,011.76 : 390,030,553.11 = 63,288,522.57 : x
  2. Step 2: Convert to fraction form
    260,024,011.76/390,030,553.11 = 63,288,522.57/x
  3. Step 3: Cross multiply
    260,024,011.76x = 390,030,553.11 × 63,288,522.57
  4. Step 4: Simplify right side
    260,024,011.76x = 24,684,457,463,491,820
  5. Step 5: Solve for x
    x = 24,684,457,463,491,820/260,024,011.76
  6. Step 6: Final answer
    x = 94,931,453.82

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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.