Home / 98,231,891.72-147,041,304.07-72,353,413.74

Finding the Fourth Proportional to 98,231,891.72, 147,041,304.07 and 72,353,413.74

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Solution

The fourth proportional to 98,231,891.72, 147,041,304.07 and 72,353,413.74 is: 108,304,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,231,891.72 : 147,041,304.07 = 72,353,413.74 : x
  2. Step 2: Convert to fraction form
    98,231,891.72/147,041,304.07 = 72,353,413.74/x
  3. Step 3: Cross multiply
    98,231,891.72x = 147,041,304.07 × 72,353,413.74
  4. Step 4: Simplify right side
    98,231,891.72x = 10,638,940,310,031,662
  5. Step 5: Solve for x
    x = 10,638,940,310,031,662/98,231,891.72
  6. Step 6: Final answer
    x = 108,304,341.13

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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.