Home / 256,131,733.92-353,461,907.16-138,657,060.24

Finding the Fourth Proportional to 256,131,733.92, 353,461,907.16 and 138,657,060.24

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Solution

The fourth proportional to 256,131,733.92, 353,461,907.16 and 138,657,060.24 is: 191,346,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,131,733.92 : 353,461,907.16 = 138,657,060.24 : x
  2. Step 2: Convert to fraction form
    256,131,733.92/353,461,907.16 = 138,657,060.24/x
  3. Step 3: Cross multiply
    256,131,733.92x = 353,461,907.16 × 138,657,060.24
  4. Step 4: Simplify right side
    256,131,733.92x = 49,009,988,953,629,416
  5. Step 5: Solve for x
    x = 49,009,988,953,629,416/256,131,733.92
  6. Step 6: Final answer
    x = 191,346,805.03

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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.