Home / 257,901,295.80-386,851,943.70-242,772,310.20

Finding the Fourth Proportional to 257,901,295.80, 386,851,943.70 and 242,772,310.20

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Solution

The fourth proportional to 257,901,295.80, 386,851,943.70 and 242,772,310.20 is: 364,158,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,901,295.80 : 386,851,943.70 = 242,772,310.20 : x
  2. Step 2: Convert to fraction form
    257,901,295.80/386,851,943.70 = 242,772,310.20/x
  3. Step 3: Cross multiply
    257,901,295.80x = 386,851,943.70 × 242,772,310.20
  4. Step 4: Simplify right side
    257,901,295.80x = 93,916,940,077,409,328
  5. Step 5: Solve for x
    x = 93,916,940,077,409,328/257,901,295.80
  6. Step 6: Final answer
    x = 364,158,465.30

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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.