Home / 295,031,687.20-442,547,530.80-124,808,480.80

Finding the Fourth Proportional to 295,031,687.20, 442,547,530.80 and 124,808,480.80

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Solution

The fourth proportional to 295,031,687.20, 442,547,530.80 and 124,808,480.80 is: 187,212,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,031,687.20 : 442,547,530.80 = 124,808,480.80 : x
  2. Step 2: Convert to fraction form
    295,031,687.20/442,547,530.80 = 124,808,480.80/x
  3. Step 3: Cross multiply
    295,031,687.20x = 442,547,530.80 × 124,808,480.80
  4. Step 4: Simplify right side
    295,031,687.20x = 55,233,685,000,939,208
  5. Step 5: Solve for x
    x = 55,233,685,000,939,208/295,031,687.20
  6. Step 6: Final answer
    x = 187,212,721.20

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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.