Home / 163,296,502.20-245,056,727.70-72,485,263.80

Finding the Fourth Proportional to 163,296,502.20, 245,056,727.70 and 72,485,263.80

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Solution

The fourth proportional to 163,296,502.20, 245,056,727.70 and 72,485,263.80 is: 108,777,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,296,502.20 : 245,056,727.70 = 72,485,263.80 : x
  2. Step 2: Convert to fraction form
    163,296,502.20/245,056,727.70 = 72,485,263.80/x
  3. Step 3: Cross multiply
    163,296,502.20x = 245,056,727.70 × 72,485,263.80
  4. Step 4: Simplify right side
    163,296,502.20x = 17,763,001,553,299,266
  5. Step 5: Solve for x
    x = 17,763,001,553,299,266/163,296,502.20
  6. Step 6: Final answer
    x = 108,777,599.73

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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.