Home / 163,327,808.20-245,035,014.90-71,172,002.20

Finding the Fourth Proportional to 163,327,808.20, 245,035,014.90 and 71,172,002.20

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Solution

The fourth proportional to 163,327,808.20, 245,035,014.90 and 71,172,002.20 is: 106,776,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,327,808.20 : 245,035,014.90 = 71,172,002.20 : x
  2. Step 2: Convert to fraction form
    163,327,808.20/245,035,014.90 = 71,172,002.20/x
  3. Step 3: Cross multiply
    163,327,808.20x = 245,035,014.90 × 71,172,002.20
  4. Step 4: Simplify right side
    163,327,808.20x = 17,439,632,619,539,834
  5. Step 5: Solve for x
    x = 17,439,632,619,539,834/163,327,808.20
  6. Step 6: Final answer
    x = 106,776,872.91

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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.