Home / 113,746,878.88-156,975,143.36-66,697,413.28

Finding the Fourth Proportional to 113,746,878.88, 156,975,143.36 and 66,697,413.28

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Solution

The fourth proportional to 113,746,878.88, 156,975,143.36 and 66,697,413.28 is: 92,045,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,746,878.88 : 156,975,143.36 = 66,697,413.28 : x
  2. Step 2: Convert to fraction form
    113,746,878.88/156,975,143.36 = 66,697,413.28/x
  3. Step 3: Cross multiply
    113,746,878.88x = 156,975,143.36 × 66,697,413.28
  4. Step 4: Simplify right side
    113,746,878.88x = 10,469,836,011,369,168
  5. Step 5: Solve for x
    x = 10,469,836,011,369,168/113,746,878.88
  6. Step 6: Final answer
    x = 92,045,039.96

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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.