Home / 86,933,999.40-130,400,999.10-23,108,591.40

Finding the Fourth Proportional to 86,933,999.40, 130,400,999.10 and 23,108,591.40

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Solution

The fourth proportional to 86,933,999.40, 130,400,999.10 and 23,108,591.40 is: 34,662,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,933,999.40 : 130,400,999.10 = 23,108,591.40 : x
  2. Step 2: Convert to fraction form
    86,933,999.40/130,400,999.10 = 23,108,591.40/x
  3. Step 3: Cross multiply
    86,933,999.40x = 130,400,999.10 × 23,108,591.40
  4. Step 4: Simplify right side
    86,933,999.40x = 3,013,383,406,353,667.50
  5. Step 5: Solve for x
    x = 3,013,383,406,353,667.50/86,933,999.40
  6. Step 6: Final answer
    x = 34,662,887.10

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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.