Home / 256,019,901.03-353,220,973.65-166,671,160.56

Finding the Fourth Proportional to 256,019,901.03, 353,220,973.65 and 166,671,160.56

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Solution

The fourth proportional to 256,019,901.03, 353,220,973.65 and 166,671,160.56 is: 229,949,895.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,019,901.03 : 353,220,973.65 = 166,671,160.56 : x
  2. Step 2: Convert to fraction form
    256,019,901.03/353,220,973.65 = 166,671,160.56/x
  3. Step 3: Cross multiply
    256,019,901.03x = 353,220,973.65 × 166,671,160.56
  4. Step 4: Simplify right side
    256,019,901.03x = 58,871,749,612,378,680
  5. Step 5: Solve for x
    x = 58,871,749,612,378,680/256,019,901.03
  6. Step 6: Final answer
    x = 229,949,895.99

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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.