Home / 87,937,674.81-121,353,544.22-48,779,046.15

Finding the Fourth Proportional to 87,937,674.81, 121,353,544.22 and 48,779,046.15

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Solution

The fourth proportional to 87,937,674.81, 121,353,544.22 and 48,779,046.15 is: 67,314,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,937,674.81 : 121,353,544.22 = 48,779,046.15 : x
  2. Step 2: Convert to fraction form
    87,937,674.81/121,353,544.22 = 48,779,046.15/x
  3. Step 3: Cross multiply
    87,937,674.81x = 121,353,544.22 × 48,779,046.15
  4. Step 4: Simplify right side
    87,937,674.81x = 5,919,510,133,729,551
  5. Step 5: Solve for x
    x = 5,919,510,133,729,551/87,937,674.81
  6. Step 6: Final answer
    x = 67,314,835.72

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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.