Home / 255,490,924-352,577,475.12-139,597,420

Finding the Fourth Proportional to 255,490,924, 352,577,475.12 and 139,597,420

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Solution

The fourth proportional to 255,490,924, 352,577,475.12 and 139,597,420 is: 192,644,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,490,924 : 352,577,475.12 = 139,597,420 : x
  2. Step 2: Convert to fraction form
    255,490,924/352,577,475.12 = 139,597,420/x
  3. Step 3: Cross multiply
    255,490,924x = 352,577,475.12 × 139,597,420
  4. Step 4: Simplify right side
    255,490,924x = 49,218,905,876,866,192
  5. Step 5: Solve for x
    x = 49,218,905,876,866,192/255,490,924
  6. Step 6: Final answer
    x = 192,644,439.60

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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.