Home / 68,730,175.76-103,075,084.46-20,196,490.46

Finding the Fourth Proportional to 68,730,175.76, 103,075,084.46 and 20,196,490.46

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Solution

The fourth proportional to 68,730,175.76, 103,075,084.46 and 20,196,490.46 is: 30,288,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,730,175.76 : 103,075,084.46 = 20,196,490.46 : x
  2. Step 2: Convert to fraction form
    68,730,175.76/103,075,084.46 = 20,196,490.46/x
  3. Step 3: Cross multiply
    68,730,175.76x = 103,075,084.46 × 20,196,490.46
  4. Step 4: Simplify right side
    68,730,175.76x = 2,081,754,959,495,200
  5. Step 5: Solve for x
    x = 2,081,754,959,495,200/68,730,175.76
  6. Step 6: Final answer
    x = 30,288,806.00

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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.