Home / 75,619,518.60-113,429,277.90-21,031,998.60

Finding the Fourth Proportional to 75,619,518.60, 113,429,277.90 and 21,031,998.60

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Solution

The fourth proportional to 75,619,518.60, 113,429,277.90 and 21,031,998.60 is: 31,547,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,619,518.60 : 113,429,277.90 = 21,031,998.60 : x
  2. Step 2: Convert to fraction form
    75,619,518.60/113,429,277.90 = 21,031,998.60/x
  3. Step 3: Cross multiply
    75,619,518.60x = 113,429,277.90 × 21,031,998.60
  4. Step 4: Simplify right side
    75,619,518.60x = 2,385,644,413,991,811
  5. Step 5: Solve for x
    x = 2,385,644,413,991,811/75,619,518.60
  6. Step 6: Final answer
    x = 31,547,997.90

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1.5x scale

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.