Home / 98,122,208.60-135,408,660.18-56,893,015.82

Finding the Fourth Proportional to 98,122,208.60, 135,408,660.18 and 56,893,015.82

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Solution

The fourth proportional to 98,122,208.60, 135,408,660.18 and 56,893,015.82 is: 78,512,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,122,208.60 : 135,408,660.18 = 56,893,015.82 : x
  2. Step 2: Convert to fraction form
    98,122,208.60/135,408,660.18 = 56,893,015.82/x
  3. Step 3: Cross multiply
    98,122,208.60x = 135,408,660.18 × 56,893,015.82
  4. Step 4: Simplify right side
    98,122,208.60x = 7,703,807,045,785,744
  5. Step 5: Solve for x
    x = 7,703,807,045,785,744/98,122,208.60
  6. Step 6: Final answer
    x = 78,512,368.97

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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.