Home / 164,976,013.60-247,728,404.40-131,178,407.20

Finding the Fourth Proportional to 164,976,013.60, 247,728,404.40 and 131,178,407.20

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Solution

The fourth proportional to 164,976,013.60, 247,728,404.40 and 131,178,407.20 is: 196,977,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,976,013.60 : 247,728,404.40 = 131,178,407.20 : x
  2. Step 2: Convert to fraction form
    164,976,013.60/247,728,404.40 = 131,178,407.20/x
  3. Step 3: Cross multiply
    164,976,013.60x = 247,728,404.40 × 131,178,407.20
  4. Step 4: Simplify right side
    164,976,013.60x = 32,496,617,507,389,472
  5. Step 5: Solve for x
    x = 32,496,617,507,389,472/164,976,013.60
  6. Step 6: Final answer
    x = 196,977,832.10

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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.