Home / 291,330,003.60-436,995,005.40-75,919,251.60

Finding the Fourth Proportional to 291,330,003.60, 436,995,005.40 and 75,919,251.60

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Solution

The fourth proportional to 291,330,003.60, 436,995,005.40 and 75,919,251.60 is: 113,878,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,330,003.60 : 436,995,005.40 = 75,919,251.60 : x
  2. Step 2: Convert to fraction form
    291,330,003.60/436,995,005.40 = 75,919,251.60/x
  3. Step 3: Cross multiply
    291,330,003.60x = 436,995,005.40 × 75,919,251.60
  4. Step 4: Simplify right side
    291,330,003.60x = 33,176,333,762,905,956
  5. Step 5: Solve for x
    x = 33,176,333,762,905,956/291,330,003.60
  6. Step 6: Final answer
    x = 113,878,877.40

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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.