Home / 148,945,688.40-223,418,532.60-72,418,184.40

Finding the Fourth Proportional to 148,945,688.40, 223,418,532.60 and 72,418,184.40

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Solution

The fourth proportional to 148,945,688.40, 223,418,532.60 and 72,418,184.40 is: 108,627,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,945,688.40 : 223,418,532.60 = 72,418,184.40 : x
  2. Step 2: Convert to fraction form
    148,945,688.40/223,418,532.60 = 72,418,184.40/x
  3. Step 3: Cross multiply
    148,945,688.40x = 223,418,532.60 × 72,418,184.40
  4. Step 4: Simplify right side
    148,945,688.40x = 16,179,564,492,204,212
  5. Step 5: Solve for x
    x = 16,179,564,492,204,212/148,945,688.40
  6. Step 6: Final answer
    x = 108,627,276.60

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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.