Home / 68,592,428.28-102,872,168.23-31,668,842.01

Finding the Fourth Proportional to 68,592,428.28, 102,872,168.23 and 31,668,842.01

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Solution

The fourth proportional to 68,592,428.28, 102,872,168.23 and 31,668,842.01 is: 47,495,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,592,428.28 : 102,872,168.23 = 31,668,842.01 : x
  2. Step 2: Convert to fraction form
    68,592,428.28/102,872,168.23 = 31,668,842.01/x
  3. Step 3: Cross multiply
    68,592,428.28x = 102,872,168.23 × 31,668,842.01
  4. Step 4: Simplify right side
    68,592,428.28x = 3,257,842,442,902,011.50
  5. Step 5: Solve for x
    x = 3,257,842,442,902,011.50/68,592,428.28
  6. Step 6: Final answer
    x = 47,495,656.95

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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.