Home / 256,130,289.23-353,459,724.77-138,655,532.97

Finding the Fourth Proportional to 256,130,289.23, 353,459,724.77 and 138,655,532.97

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Solution

The fourth proportional to 256,130,289.23, 353,459,724.77 and 138,655,532.97 is: 191,344,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,130,289.23 : 353,459,724.77 = 138,655,532.97 : x
  2. Step 2: Convert to fraction form
    256,130,289.23/353,459,724.77 = 138,655,532.97/x
  3. Step 3: Cross multiply
    256,130,289.23x = 353,459,724.77 × 138,655,532.97
  4. Step 4: Simplify right side
    256,130,289.23x = 49,009,146,521,760,496
  5. Step 5: Solve for x
    x = 49,009,146,521,760,496/256,130,289.23
  6. Step 6: Final answer
    x = 191,344,595.25

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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.