Home / 97,040,614.20-145,162,790.10-87,485,465.40

Finding the Fourth Proportional to 97,040,614.20, 145,162,790.10 and 87,485,465.40

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Solution

The fourth proportional to 97,040,614.20, 145,162,790.10 and 87,485,465.40 is: 130,869,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,040,614.20 : 145,162,790.10 = 87,485,465.40 : x
  2. Step 2: Convert to fraction form
    97,040,614.20/145,162,790.10 = 87,485,465.40/x
  3. Step 3: Cross multiply
    97,040,614.20x = 145,162,790.10 × 87,485,465.40
  4. Step 4: Simplify right side
    97,040,614.20x = 12,699,634,250,661,012
  5. Step 5: Solve for x
    x = 12,699,634,250,661,012/97,040,614.20
  6. Step 6: Final answer
    x = 130,869,269.07

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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.