Home / 72,420,639.48-99,937,440.29-41,060,798.15

Finding the Fourth Proportional to 72,420,639.48, 99,937,440.29 and 41,060,798.15

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Solution

The fourth proportional to 72,420,639.48, 99,937,440.29 and 41,060,798.15 is: 56,662,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,420,639.48 : 99,937,440.29 = 41,060,798.15 : x
  2. Step 2: Convert to fraction form
    72,420,639.48/99,937,440.29 = 41,060,798.15/x
  3. Step 3: Cross multiply
    72,420,639.48x = 99,937,440.29 × 41,060,798.15
  4. Step 4: Simplify right side
    72,420,639.48x = 4,103,511,063,375,367.50
  5. Step 5: Solve for x
    x = 4,103,511,063,375,367.50/72,420,639.48
  6. Step 6: Final answer
    x = 56,662,176.60

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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.