Home / 272,801,931.20-409,202,896.80-163,962,814.40

Finding the Fourth Proportional to 272,801,931.20, 409,202,896.80 and 163,962,814.40

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Solution

The fourth proportional to 272,801,931.20, 409,202,896.80 and 163,962,814.40 is: 245,944,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,801,931.20 : 409,202,896.80 = 163,962,814.40 : x
  2. Step 2: Convert to fraction form
    272,801,931.20/409,202,896.80 = 163,962,814.40/x
  3. Step 3: Cross multiply
    272,801,931.20x = 409,202,896.80 × 163,962,814.40
  4. Step 4: Simplify right side
    272,801,931.20x = 67,094,058,619,960,760
  5. Step 5: Solve for x
    x = 67,094,058,619,960,760/272,801,931.20
  6. Step 6: Final answer
    x = 245,944,221.60

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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.