Home / 77,297,718.42-106,672,176.45-42,491,875.86

Finding the Fourth Proportional to 77,297,718.42, 106,672,176.45 and 42,491,875.86

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Solution

The fourth proportional to 77,297,718.42, 106,672,176.45 and 42,491,875.86 is: 58,639,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,297,718.42 : 106,672,176.45 = 42,491,875.86 : x
  2. Step 2: Convert to fraction form
    77,297,718.42/106,672,176.45 = 42,491,875.86/x
  3. Step 3: Cross multiply
    77,297,718.42x = 106,672,176.45 × 42,491,875.86
  4. Step 4: Simplify right side
    77,297,718.42x = 4,532,700,879,429,416
  5. Step 5: Solve for x
    x = 4,532,700,879,429,416/77,297,718.42
  6. Step 6: Final answer
    x = 58,639,517.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.