Home / 257,069,644.92-354,754,825.20-139,593,929.04

Finding the Fourth Proportional to 257,069,644.92, 354,754,825.20 and 139,593,929.04

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Solution

The fourth proportional to 257,069,644.92, 354,754,825.20 and 139,593,929.04 is: 192,638,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,069,644.92 : 354,754,825.20 = 139,593,929.04 : x
  2. Step 2: Convert to fraction form
    257,069,644.92/354,754,825.20 = 139,593,929.04/x
  3. Step 3: Cross multiply
    257,069,644.92x = 354,754,825.20 × 139,593,929.04
  4. Step 4: Simplify right side
    257,069,644.92x = 49,521,619,895,566,400
  5. Step 5: Solve for x
    x = 49,521,619,895,566,400/257,069,644.92
  6. Step 6: Final answer
    x = 192,638,924.41

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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.