Home / 256,013,936.04-353,300,162.40-138,539,254.08

Finding the Fourth Proportional to 256,013,936.04, 353,300,162.40 and 138,539,254.08

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Solution

The fourth proportional to 256,013,936.04, 353,300,162.40 and 138,539,254.08 is: 191,184,674.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,013,936.04 : 353,300,162.40 = 138,539,254.08 : x
  2. Step 2: Convert to fraction form
    256,013,936.04/353,300,162.40 = 138,539,254.08/x
  3. Step 3: Cross multiply
    256,013,936.04x = 353,300,162.40 × 138,539,254.08
  4. Step 4: Simplify right side
    256,013,936.04x = 48,945,940,965,238,864
  5. Step 5: Solve for x
    x = 48,945,940,965,238,864/256,013,936.04
  6. Step 6: Final answer
    x = 191,184,674.25

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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.