Home / 402,136,722.92-603,211,101.39-153,155,730.80

Finding the Fourth Proportional to 402,136,722.92, 603,211,101.39 and 153,155,730.80

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Solution

The fourth proportional to 402,136,722.92, 603,211,101.39 and 153,155,730.80 is: 229,735,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,136,722.92 : 603,211,101.39 = 153,155,730.80 : x
  2. Step 2: Convert to fraction form
    402,136,722.92/603,211,101.39 = 153,155,730.80/x
  3. Step 3: Cross multiply
    402,136,722.92x = 603,211,101.39 × 153,155,730.80
  4. Step 4: Simplify right side
    402,136,722.92x = 92,385,237,057,042,288
  5. Step 5: Solve for x
    x = 92,385,237,057,042,288/402,136,722.92
  6. Step 6: Final answer
    x = 229,735,887.80

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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.