Home / 78,733,101.80-118,099,652.70-46,368,344.90

Finding the Fourth Proportional to 78,733,101.80, 118,099,652.70 and 46,368,344.90

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Solution

The fourth proportional to 78,733,101.80, 118,099,652.70 and 46,368,344.90 is: 69,552,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,733,101.80 : 118,099,652.70 = 46,368,344.90 : x
  2. Step 2: Convert to fraction form
    78,733,101.80/118,099,652.70 = 46,368,344.90/x
  3. Step 3: Cross multiply
    78,733,101.80x = 118,099,652.70 × 46,368,344.90
  4. Step 4: Simplify right side
    78,733,101.80x = 5,476,085,428,963,816
  5. Step 5: Solve for x
    x = 5,476,085,428,963,816/78,733,101.80
  6. Step 6: Final answer
    x = 69,552,517.35

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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.