Home / 257,882,130.80-386,823,196.20-242,753,145.20

Finding the Fourth Proportional to 257,882,130.80, 386,823,196.20 and 242,753,145.20

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Solution

The fourth proportional to 257,882,130.80, 386,823,196.20 and 242,753,145.20 is: 364,129,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,882,130.80 : 386,823,196.20 = 242,753,145.20 : x
  2. Step 2: Convert to fraction form
    257,882,130.80/386,823,196.20 = 242,753,145.20/x
  3. Step 3: Cross multiply
    257,882,130.80x = 386,823,196.20 × 242,753,145.20
  4. Step 4: Simplify right side
    257,882,130.80x = 93,902,547,513,866,688
  5. Step 5: Solve for x
    x = 93,902,547,513,866,688/257,882,130.80
  6. Step 6: Final answer
    x = 364,129,717.80

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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.