Home / 60,639,369.40-90,959,054.10-17,509,979.80

Finding the Fourth Proportional to 60,639,369.40, 90,959,054.10 and 17,509,979.80

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Solution

The fourth proportional to 60,639,369.40, 90,959,054.10 and 17,509,979.80 is: 26,264,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,639,369.40 : 90,959,054.10 = 17,509,979.80 : x
  2. Step 2: Convert to fraction form
    60,639,369.40/90,959,054.10 = 17,509,979.80/x
  3. Step 3: Cross multiply
    60,639,369.40x = 90,959,054.10 × 17,509,979.80
  4. Step 4: Simplify right side
    60,639,369.40x = 1,592,691,199,918,107.25
  5. Step 5: Solve for x
    x = 1,592,691,199,918,107.25/60,639,369.40
  6. Step 6: Final answer
    x = 26,264,969.70

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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.