Home / 96,777,667.60-145,232,856.60-42,963,600.40

Finding the Fourth Proportional to 96,777,667.60, 145,232,856.60 and 42,963,600.40

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Solution

The fourth proportional to 96,777,667.60, 145,232,856.60 and 42,963,600.40 is: 64,474,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,777,667.60 : 145,232,856.60 = 42,963,600.40 : x
  2. Step 2: Convert to fraction form
    96,777,667.60/145,232,856.60 = 42,963,600.40/x
  3. Step 3: Cross multiply
    96,777,667.60x = 145,232,856.60 × 42,963,600.40
  4. Step 4: Simplify right side
    96,777,667.60x = 6,239,726,415,912,902
  5. Step 5: Solve for x
    x = 6,239,726,415,912,902/96,777,667.60
  6. Step 6: Final answer
    x = 64,474,858.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.