Home / 401,326,304.92-601,845,114.66-138,939,609.40

Finding the Fourth Proportional to 401,326,304.92, 601,845,114.66 and 138,939,609.40

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Solution

The fourth proportional to 401,326,304.92, 601,845,114.66 and 138,939,609.40 is: 208,359,442.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,326,304.92 : 601,845,114.66 = 138,939,609.40 : x
  2. Step 2: Convert to fraction form
    401,326,304.92/601,845,114.66 = 138,939,609.40/x
  3. Step 3: Cross multiply
    401,326,304.92x = 601,845,114.66 × 138,939,609.40
  4. Step 4: Simplify right side
    401,326,304.92x = 83,620,125,150,158,608
  5. Step 5: Solve for x
    x = 83,620,125,150,158,608/401,326,304.92
  6. Step 6: Final answer
    x = 208,359,442.49

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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.