Home / 103,273,195.40-154,909,793.10-87,347,947.40

Finding the Fourth Proportional to 103,273,195.40, 154,909,793.10 and 87,347,947.40

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Solution

The fourth proportional to 103,273,195.40, 154,909,793.10 and 87,347,947.40 is: 131,021,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,273,195.40 : 154,909,793.10 = 87,347,947.40 : x
  2. Step 2: Convert to fraction form
    103,273,195.40/154,909,793.10 = 87,347,947.40/x
  3. Step 3: Cross multiply
    103,273,195.40x = 154,909,793.10 × 87,347,947.40
  4. Step 4: Simplify right side
    103,273,195.40x = 13,531,052,459,443,684
  5. Step 5: Solve for x
    x = 13,531,052,459,443,684/103,273,195.40
  6. Step 6: Final answer
    x = 131,021,921.10

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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.