Home / 74,877,144.40-112,336,711.80-31,767,000.40

Finding the Fourth Proportional to 74,877,144.40, 112,336,711.80 and 31,767,000.40

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Solution

The fourth proportional to 74,877,144.40, 112,336,711.80 and 31,767,000.40 is: 47,659,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,877,144.40 : 112,336,711.80 = 31,767,000.40 : x
  2. Step 2: Convert to fraction form
    74,877,144.40/112,336,711.80 = 31,767,000.40/x
  3. Step 3: Cross multiply
    74,877,144.40x = 112,336,711.80 × 31,767,000.40
  4. Step 4: Simplify right side
    74,877,144.40x = 3,568,600,368,685,284.50
  5. Step 5: Solve for x
    x = 3,568,600,368,685,284.50/74,877,144.40
  6. Step 6: Final answer
    x = 47,659,407.92

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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.