Home / 147,617,152.20-221,425,728.30-79,592,704.20

Finding the Fourth Proportional to 147,617,152.20, 221,425,728.30 and 79,592,704.20

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Solution

The fourth proportional to 147,617,152.20, 221,425,728.30 and 79,592,704.20 is: 119,389,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,617,152.20 : 221,425,728.30 = 79,592,704.20 : x
  2. Step 2: Convert to fraction form
    147,617,152.20/221,425,728.30 = 79,592,704.20/x
  3. Step 3: Cross multiply
    147,617,152.20x = 221,425,728.30 × 79,592,704.20
  4. Step 4: Simplify right side
    147,617,152.20x = 17,623,872,494,851,470
  5. Step 5: Solve for x
    x = 17,623,872,494,851,470/147,617,152.20
  6. Step 6: Final answer
    x = 119,389,056.30

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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.