Home / 115,096,188.40-158,832,910.62-65,536,602.40

Finding the Fourth Proportional to 115,096,188.40, 158,832,910.62 and 65,536,602.40

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Solution

The fourth proportional to 115,096,188.40, 158,832,910.62 and 65,536,602.40 is: 90,440,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,096,188.40 : 158,832,910.62 = 65,536,602.40 : x
  2. Step 2: Convert to fraction form
    115,096,188.40/158,832,910.62 = 65,536,602.40/x
  3. Step 3: Cross multiply
    115,096,188.40x = 158,832,910.62 × 65,536,602.40
  4. Step 4: Simplify right side
    115,096,188.40x = 10,409,369,311,337,678
  5. Step 5: Solve for x
    x = 10,409,369,311,337,678/115,096,188.40
  6. Step 6: Final answer
    x = 90,440,608.47

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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.