Home / 120,236,812.50-165,927,119.94-65,232,669

Finding the Fourth Proportional to 120,236,812.50, 165,927,119.94 and 65,232,669

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Solution

The fourth proportional to 120,236,812.50, 165,927,119.94 and 65,232,669 is: 90,021,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,236,812.50 : 165,927,119.94 = 65,232,669 : x
  2. Step 2: Convert to fraction form
    120,236,812.50/165,927,119.94 = 65,232,669/x
  3. Step 3: Cross multiply
    120,236,812.50x = 165,927,119.94 × 65,232,669
  4. Step 4: Simplify right side
    120,236,812.50x = 10,823,868,893,169,320
  5. Step 5: Solve for x
    x = 10,823,868,893,169,320/120,236,812.50
  6. Step 6: Final answer
    x = 90,021,256.12

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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.