Home / 314,928,606.30-472,392,909.45-212,136,107.10

Finding the Fourth Proportional to 314,928,606.30, 472,392,909.45 and 212,136,107.10

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Solution

The fourth proportional to 314,928,606.30, 472,392,909.45 and 212,136,107.10 is: 318,204,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,606.30 : 472,392,909.45 = 212,136,107.10 : x
  2. Step 2: Convert to fraction form
    314,928,606.30/472,392,909.45 = 212,136,107.10/x
  3. Step 3: Cross multiply
    314,928,606.30x = 472,392,909.45 × 212,136,107.10
  4. Step 4: Simplify right side
    314,928,606.30x = 100,211,592,832,365,792
  5. Step 5: Solve for x
    x = 100,211,592,832,365,792/314,928,606.30
  6. Step 6: Final answer
    x = 318,204,160.65

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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.