Home / 148,949,076.90-223,423,615.35-72,421,572.90

Finding the Fourth Proportional to 148,949,076.90, 223,423,615.35 and 72,421,572.90

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Solution

The fourth proportional to 148,949,076.90, 223,423,615.35 and 72,421,572.90 is: 108,632,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,949,076.90 : 223,423,615.35 = 72,421,572.90 : x
  2. Step 2: Convert to fraction form
    148,949,076.90/223,423,615.35 = 72,421,572.90/x
  3. Step 3: Cross multiply
    148,949,076.90x = 223,423,615.35 × 72,421,572.90
  4. Step 4: Simplify right side
    148,949,076.90x = 16,180,689,646,651,584
  5. Step 5: Solve for x
    x = 16,180,689,646,651,584/148,949,076.90
  6. Step 6: Final answer
    x = 108,632,359.35

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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.