Home / 212,569,412.40-318,287,248.20-212,569,412.40

Finding the Fourth Proportional to 212,569,412.40, 318,287,248.20 and 212,569,412.40

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Solution

The fourth proportional to 212,569,412.40, 318,287,248.20 and 212,569,412.40 is: 318,287,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,569,412.40 : 318,287,248.20 = 212,569,412.40 : x
  2. Step 2: Convert to fraction form
    212,569,412.40/318,287,248.20 = 212,569,412.40/x
  3. Step 3: Cross multiply
    212,569,412.40x = 318,287,248.20 × 212,569,412.40
  4. Step 4: Simplify right side
    212,569,412.40x = 67,658,133,324,286,960
  5. Step 5: Solve for x
    x = 67,658,133,324,286,960/212,569,412.40
  6. Step 6: Final answer
    x = 318,287,248.20

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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.