Home / 71,848,587.28-99,151,090.28-38,808,836.28

Finding the Fourth Proportional to 71,848,587.28, 99,151,090.28 and 38,808,836.28

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Solution

The fourth proportional to 71,848,587.28, 99,151,090.28 and 38,808,836.28 is: 53,556,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,848,587.28 : 99,151,090.28 = 38,808,836.28 : x
  2. Step 2: Convert to fraction form
    71,848,587.28/99,151,090.28 = 38,808,836.28/x
  3. Step 3: Cross multiply
    71,848,587.28x = 99,151,090.28 × 38,808,836.28
  4. Step 4: Simplify right side
    71,848,587.28x = 3,847,938,429,660,019.50
  5. Step 5: Solve for x
    x = 3,847,938,429,660,019.50/71,848,587.28
  6. Step 6: Final answer
    x = 53,556,215.58

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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.