Home / 256,765,965.19-354,337,031.96-146,760,040.15

Finding the Fourth Proportional to 256,765,965.19, 354,337,031.96 and 146,760,040.15

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Solution

The fourth proportional to 256,765,965.19, 354,337,031.96 and 146,760,040.15 is: 202,528,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,765,965.19 : 354,337,031.96 = 146,760,040.15 : x
  2. Step 2: Convert to fraction form
    256,765,965.19/354,337,031.96 = 146,760,040.15/x
  3. Step 3: Cross multiply
    256,765,965.19x = 354,337,031.96 × 146,760,040.15
  4. Step 4: Simplify right side
    256,765,965.19x = 52,002,517,036,012,144
  5. Step 5: Solve for x
    x = 52,002,517,036,012,144/256,765,965.19
  6. Step 6: Final answer
    x = 202,528,855.40

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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.