Home / 84,091,556.40-126,031,046.40-40,867,688.40

Finding the Fourth Proportional to 84,091,556.40, 126,031,046.40 and 40,867,688.40

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Solution

The fourth proportional to 84,091,556.40, 126,031,046.40 and 40,867,688.40 is: 61,249,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,091,556.40 : 126,031,046.40 = 40,867,688.40 : x
  2. Step 2: Convert to fraction form
    84,091,556.40/126,031,046.40 = 40,867,688.40/x
  3. Step 3: Cross multiply
    84,091,556.40x = 126,031,046.40 × 40,867,688.40
  4. Step 4: Simplify right side
    84,091,556.40x = 5,150,597,533,001,142
  5. Step 5: Solve for x
    x = 5,150,597,533,001,142/84,091,556.40
  6. Step 6: Final answer
    x = 61,249,877.56

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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.