Home / 57,472,970.88-79,312,079.04-31,367,276.72

Finding the Fourth Proportional to 57,472,970.88, 79,312,079.04 and 31,367,276.72

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Solution

The fourth proportional to 57,472,970.88, 79,312,079.04 and 31,367,276.72 is: 43,286,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,472,970.88 : 79,312,079.04 = 31,367,276.72 : x
  2. Step 2: Convert to fraction form
    57,472,970.88/79,312,079.04 = 31,367,276.72/x
  3. Step 3: Cross multiply
    57,472,970.88x = 79,312,079.04 × 31,367,276.72
  4. Step 4: Simplify right side
    57,472,970.88x = 2,487,803,930,486,192
  5. Step 5: Solve for x
    x = 2,487,803,930,486,192/57,472,970.88
  6. Step 6: Final answer
    x = 43,286,503.07

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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.