Home / 75,619,402.60-113,429,103.90-21,031,882.60

Finding the Fourth Proportional to 75,619,402.60, 113,429,103.90 and 21,031,882.60

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Solution

The fourth proportional to 75,619,402.60, 113,429,103.90 and 21,031,882.60 is: 31,547,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,619,402.60 : 113,429,103.90 = 21,031,882.60 : x
  2. Step 2: Convert to fraction form
    75,619,402.60/113,429,103.90 = 21,031,882.60/x
  3. Step 3: Cross multiply
    75,619,402.60x = 113,429,103.90 × 21,031,882.60
  4. Step 4: Simplify right side
    75,619,402.60x = 2,385,627,596,648,002.50
  5. Step 5: Solve for x
    x = 2,385,627,596,648,002.50/75,619,402.60
  6. Step 6: Final answer
    x = 31,547,823.90

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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.