Home / 74,887,610.80-112,331,416.20-42,527,009.20

Finding the Fourth Proportional to 74,887,610.80, 112,331,416.20 and 42,527,009.20

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Solution

The fourth proportional to 74,887,610.80, 112,331,416.20 and 42,527,009.20 is: 63,790,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,887,610.80 : 112,331,416.20 = 42,527,009.20 : x
  2. Step 2: Convert to fraction form
    74,887,610.80/112,331,416.20 = 42,527,009.20/x
  3. Step 3: Cross multiply
    74,887,610.80x = 112,331,416.20 × 42,527,009.20
  4. Step 4: Simplify right side
    74,887,610.80x = 4,777,119,170,186,430
  5. Step 5: Solve for x
    x = 4,777,119,170,186,430/74,887,610.80
  6. Step 6: Final answer
    x = 63,790,513.80

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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.