Home / 71,286,413.04-98,555,159.76-52,672,194.47

Finding the Fourth Proportional to 71,286,413.04, 98,555,159.76 and 52,672,194.47

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Solution

The fourth proportional to 71,286,413.04, 98,555,159.76 and 52,672,194.47 is: 72,820,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,286,413.04 : 98,555,159.76 = 52,672,194.47 : x
  2. Step 2: Convert to fraction form
    71,286,413.04/98,555,159.76 = 52,672,194.47/x
  3. Step 3: Cross multiply
    71,286,413.04x = 98,555,159.76 × 52,672,194.47
  4. Step 4: Simplify right side
    71,286,413.04x = 5,191,116,540,900,639
  5. Step 5: Solve for x
    x = 5,191,116,540,900,639/71,286,413.04
  6. Step 6: Final answer
    x = 72,820,560.32

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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.