Home / 101,587,312-140,192,337.40-57,543,455.44

Finding the Fourth Proportional to 101,587,312, 140,192,337.40 and 57,543,455.44

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Solution

The fourth proportional to 101,587,312, 140,192,337.40 and 57,543,455.44 is: 79,411,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,587,312 : 140,192,337.40 = 57,543,455.44 : x
  2. Step 2: Convert to fraction form
    101,587,312/140,192,337.40 = 57,543,455.44/x
  3. Step 3: Cross multiply
    101,587,312x = 140,192,337.40 × 57,543,455.44
  4. Step 4: Simplify right side
    101,587,312x = 8,067,151,520,206,345
  5. Step 5: Solve for x
    x = 8,067,151,520,206,345/101,587,312
  6. Step 6: Final answer
    x = 79,411,014.64

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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.