Home / 80,903,866.03-121,358,060.12-26,316,451.78

Finding the Fourth Proportional to 80,903,866.03, 121,358,060.12 and 26,316,451.78

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Solution

The fourth proportional to 80,903,866.03, 121,358,060.12 and 26,316,451.78 is: 39,475,413.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,903,866.03 : 121,358,060.12 = 26,316,451.78 : x
  2. Step 2: Convert to fraction form
    80,903,866.03/121,358,060.12 = 26,316,451.78/x
  3. Step 3: Cross multiply
    80,903,866.03x = 121,358,060.12 × 26,316,451.78
  4. Step 4: Simplify right side
    80,903,866.03x = 3,193,713,537,262,321.50
  5. Step 5: Solve for x
    x = 3,193,713,537,262,321.50/80,903,866.03
  6. Step 6: Final answer
    x = 39,475,413.15

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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.