Home / 98,408,840.70-147,613,261.05-47,278,530.30

Finding the Fourth Proportional to 98,408,840.70, 147,613,261.05 and 47,278,530.30

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Solution

The fourth proportional to 98,408,840.70, 147,613,261.05 and 47,278,530.30 is: 70,917,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,408,840.70 : 147,613,261.05 = 47,278,530.30 : x
  2. Step 2: Convert to fraction form
    98,408,840.70/147,613,261.05 = 47,278,530.30/x
  3. Step 3: Cross multiply
    98,408,840.70x = 147,613,261.05 × 47,278,530.30
  4. Step 4: Simplify right side
    98,408,840.70x = 6,978,938,035,234,235
  5. Step 5: Solve for x
    x = 6,978,938,035,234,235/98,408,840.70
  6. Step 6: Final answer
    x = 70,917,795.45

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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.