Home / 106,546,774.40-159,820,161.60-72,109,397.60

Finding the Fourth Proportional to 106,546,774.40, 159,820,161.60 and 72,109,397.60

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Solution

The fourth proportional to 106,546,774.40, 159,820,161.60 and 72,109,397.60 is: 108,164,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,546,774.40 : 159,820,161.60 = 72,109,397.60 : x
  2. Step 2: Convert to fraction form
    106,546,774.40/159,820,161.60 = 72,109,397.60/x
  3. Step 3: Cross multiply
    106,546,774.40x = 159,820,161.60 × 72,109,397.60
  4. Step 4: Simplify right side
    106,546,774.40x = 11,524,535,577,310,650
  5. Step 5: Solve for x
    x = 11,524,535,577,310,650/106,546,774.40
  6. Step 6: Final answer
    x = 108,164,096.40

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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.