Home / 68,934,833.28-103,401,938.88-17,812,506.24

Finding the Fourth Proportional to 68,934,833.28, 103,401,938.88 and 17,812,506.24

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Solution

The fourth proportional to 68,934,833.28, 103,401,938.88 and 17,812,506.24 is: 26,718,678.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,934,833.28 : 103,401,938.88 = 17,812,506.24 : x
  2. Step 2: Convert to fraction form
    68,934,833.28/103,401,938.88 = 17,812,506.24/x
  3. Step 3: Cross multiply
    68,934,833.28x = 103,401,938.88 × 17,812,506.24
  4. Step 4: Simplify right side
    68,934,833.28x = 1,841,847,681,528,098.25
  5. Step 5: Solve for x
    x = 1,841,847,681,528,098.25/68,934,833.28
  6. Step 6: Final answer
    x = 26,718,678.99

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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.