Home / 155,343,827.80-233,165,040.90-78,753,338.20

Finding the Fourth Proportional to 155,343,827.80, 233,165,040.90 and 78,753,338.20

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Solution

The fourth proportional to 155,343,827.80, 233,165,040.90 and 78,753,338.20 is: 118,205,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,343,827.80 : 233,165,040.90 = 78,753,338.20 : x
  2. Step 2: Convert to fraction form
    155,343,827.80/233,165,040.90 = 78,753,338.20/x
  3. Step 3: Cross multiply
    155,343,827.80x = 233,165,040.90 × 78,753,338.20
  4. Step 4: Simplify right side
    155,343,827.80x = 18,362,525,322,414,532
  5. Step 5: Solve for x
    x = 18,362,525,322,414,532/155,343,827.80
  6. Step 6: Final answer
    x = 118,205,696.24

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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.