Home / 256,013,944.04-353,300,173.44-138,539,262.08

Finding the Fourth Proportional to 256,013,944.04, 353,300,173.44 and 138,539,262.08

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Solution

The fourth proportional to 256,013,944.04, 353,300,173.44 and 138,539,262.08 is: 191,184,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,013,944.04 : 353,300,173.44 = 138,539,262.08 : x
  2. Step 2: Convert to fraction form
    256,013,944.04/353,300,173.44 = 138,539,262.08/x
  3. Step 3: Cross multiply
    256,013,944.04x = 353,300,173.44 × 138,539,262.08
  4. Step 4: Simplify right side
    256,013,944.04x = 48,945,945,321,113,616
  5. Step 5: Solve for x
    x = 48,945,945,321,113,616/256,013,944.04
  6. Step 6: Final answer
    x = 191,184,685.29

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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.