Home / 57,768,875.82-79,720,884.24-31,663,312.92

Finding the Fourth Proportional to 57,768,875.82, 79,720,884.24 and 31,663,312.92

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Solution

The fourth proportional to 57,768,875.82, 79,720,884.24 and 31,663,312.92 is: 43,695,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,768,875.82 : 79,720,884.24 = 31,663,312.92 : x
  2. Step 2: Convert to fraction form
    57,768,875.82/79,720,884.24 = 31,663,312.92/x
  3. Step 3: Cross multiply
    57,768,875.82x = 79,720,884.24 × 31,663,312.92
  4. Step 4: Simplify right side
    57,768,875.82x = 2,524,227,303,950,216.50
  5. Step 5: Solve for x
    x = 2,524,227,303,950,216.50/57,768,875.82
  6. Step 6: Final answer
    x = 43,695,281.73

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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.