Home / 282,152,137.68-389,389,161.24-156,718,677.24

Finding the Fourth Proportional to 282,152,137.68, 389,389,161.24 and 156,718,677.24

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Solution

The fourth proportional to 282,152,137.68, 389,389,161.24 and 156,718,677.24 is: 216,282,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,152,137.68 : 389,389,161.24 = 156,718,677.24 : x
  2. Step 2: Convert to fraction form
    282,152,137.68/389,389,161.24 = 156,718,677.24/x
  3. Step 3: Cross multiply
    282,152,137.68x = 389,389,161.24 × 156,718,677.24
  4. Step 4: Simplify right side
    282,152,137.68x = 61,024,554,281,125,880
  5. Step 5: Solve for x
    x = 61,024,554,281,125,880/282,152,137.68
  6. Step 6: Final answer
    x = 216,282,445.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.