Home / 66,749,025.60-100,104,253.92-30,337,128

Finding the Fourth Proportional to 66,749,025.60, 100,104,253.92 and 30,337,128

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Solution

The fourth proportional to 66,749,025.60, 100,104,253.92 and 30,337,128 is: 45,496,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,749,025.60 : 100,104,253.92 = 30,337,128 : x
  2. Step 2: Convert to fraction form
    66,749,025.60/100,104,253.92 = 30,337,128/x
  3. Step 3: Cross multiply
    66,749,025.60x = 100,104,253.92 × 30,337,128
  4. Step 4: Simplify right side
    66,749,025.60x = 3,036,875,564,515,542
  5. Step 5: Solve for x
    x = 3,036,875,564,515,542/66,749,025.60
  6. Step 6: Final answer
    x = 45,496,927.29

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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.