Home / 47,256,043.60-70,899,811.80-42,176,371.60

Finding the Fourth Proportional to 47,256,043.60, 70,899,811.80 and 42,176,371.60

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Solution

The fourth proportional to 47,256,043.60, 70,899,811.80 and 42,176,371.60 is: 63,278,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,256,043.60 : 70,899,811.80 = 42,176,371.60 : x
  2. Step 2: Convert to fraction form
    47,256,043.60/70,899,811.80 = 42,176,371.60/x
  3. Step 3: Cross multiply
    47,256,043.60x = 70,899,811.80 × 42,176,371.60
  4. Step 4: Simplify right side
    47,256,043.60x = 2,990,296,808,846,865
  5. Step 5: Solve for x
    x = 2,990,296,808,846,865/47,256,043.60
  6. Step 6: Final answer
    x = 63,278,611.18

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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.