Home / 74,749,651.20-112,155,969.60-40,695,436.80

Finding the Fourth Proportional to 74,749,651.20, 112,155,969.60 and 40,695,436.80

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Solution

The fourth proportional to 74,749,651.20, 112,155,969.60 and 40,695,436.80 is: 61,060,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,749,651.20 : 112,155,969.60 = 40,695,436.80 : x
  2. Step 2: Convert to fraction form
    74,749,651.20/112,155,969.60 = 40,695,436.80/x
  3. Step 3: Cross multiply
    74,749,651.20x = 112,155,969.60 × 40,695,436.80
  4. Step 4: Simplify right side
    74,749,651.20x = 4,564,236,172,599,521
  5. Step 5: Solve for x
    x = 4,564,236,172,599,521/74,749,651.20
  6. Step 6: Final answer
    x = 61,060,300.61

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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.