Home / 100,951,999.40-151,427,999.10-64,672,293.80

Finding the Fourth Proportional to 100,951,999.40, 151,427,999.10 and 64,672,293.80

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Solution

The fourth proportional to 100,951,999.40, 151,427,999.10 and 64,672,293.80 is: 97,008,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,951,999.40 : 151,427,999.10 = 64,672,293.80 : x
  2. Step 2: Convert to fraction form
    100,951,999.40/151,427,999.10 = 64,672,293.80/x
  3. Step 3: Cross multiply
    100,951,999.40x = 151,427,999.10 × 64,672,293.80
  4. Step 4: Simplify right side
    100,951,999.40x = 9,793,196,047,341,334
  5. Step 5: Solve for x
    x = 9,793,196,047,341,334/100,951,999.40
  6. Step 6: Final answer
    x = 97,008,440.70

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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.