Home / 163,564,381.20-245,480,416.20-162,288,922.80

Finding the Fourth Proportional to 163,564,381.20, 245,480,416.20 and 162,288,922.80

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Solution

The fourth proportional to 163,564,381.20, 245,480,416.20 and 162,288,922.80 is: 243,566,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,564,381.20 : 245,480,416.20 = 162,288,922.80 : x
  2. Step 2: Convert to fraction form
    163,564,381.20/245,480,416.20 = 162,288,922.80/x
  3. Step 3: Cross multiply
    163,564,381.20x = 245,480,416.20 × 162,288,922.80
  4. Step 4: Simplify right side
    163,564,381.20x = 39,838,752,313,593,672
  5. Step 5: Solve for x
    x = 39,838,752,313,593,672/163,564,381.20
  6. Step 6: Final answer
    x = 243,566,184.89

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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.