Home / 68,680,007.20-103,020,010.80-17,566,026.40

Finding the Fourth Proportional to 68,680,007.20, 103,020,010.80 and 17,566,026.40

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Solution

The fourth proportional to 68,680,007.20, 103,020,010.80 and 17,566,026.40 is: 26,349,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,680,007.20 : 103,020,010.80 = 17,566,026.40 : x
  2. Step 2: Convert to fraction form
    68,680,007.20/103,020,010.80 = 17,566,026.40/x
  3. Step 3: Cross multiply
    68,680,007.20x = 103,020,010.80 × 17,566,026.40
  4. Step 4: Simplify right side
    68,680,007.20x = 1,809,652,229,441,085
  5. Step 5: Solve for x
    x = 1,809,652,229,441,085/68,680,007.20
  6. Step 6: Final answer
    x = 26,349,039.60

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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.