Home / 148,949,085.40-223,423,628.10-72,421,581.40

Finding the Fourth Proportional to 148,949,085.40, 223,423,628.10 and 72,421,581.40

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Solution

The fourth proportional to 148,949,085.40, 223,423,628.10 and 72,421,581.40 is: 108,632,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,949,085.40 : 223,423,628.10 = 72,421,581.40 : x
  2. Step 2: Convert to fraction form
    148,949,085.40/223,423,628.10 = 72,421,581.40/x
  3. Step 3: Cross multiply
    148,949,085.40x = 223,423,628.10 × 72,421,581.40
  4. Step 4: Simplify right side
    148,949,085.40x = 16,180,692,469,127,478
  5. Step 5: Solve for x
    x = 16,180,692,469,127,478/148,949,085.40
  6. Step 6: Final answer
    x = 108,632,372.10

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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.