Home / 68,979,728.86-103,475,574.09-25,272,360.40

Finding the Fourth Proportional to 68,979,728.86, 103,475,574.09 and 25,272,360.40

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Solution

The fourth proportional to 68,979,728.86, 103,475,574.09 and 25,272,360.40 is: 37,910,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,979,728.86 : 103,475,574.09 = 25,272,360.40 : x
  2. Step 2: Convert to fraction form
    68,979,728.86/103,475,574.09 = 25,272,360.40/x
  3. Step 3: Cross multiply
    68,979,728.86x = 103,475,574.09 × 25,272,360.40
  4. Step 4: Simplify right side
    68,979,728.86x = 2,615,072,000,999,382
  5. Step 5: Solve for x
    x = 2,615,072,000,999,382/68,979,728.86
  6. Step 6: Final answer
    x = 37,910,731.81

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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.