Home / 141,066,979.22-211,516,642.60-53,634,896.15

Finding the Fourth Proportional to 141,066,979.22, 211,516,642.60 and 53,634,896.15

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Solution

The fourth proportional to 141,066,979.22, 211,516,642.60 and 53,634,896.15 is: 80,420,472.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,066,979.22 : 211,516,642.60 = 53,634,896.15 : x
  2. Step 2: Convert to fraction form
    141,066,979.22/211,516,642.60 = 53,634,896.15/x
  3. Step 3: Cross multiply
    141,066,979.22x = 211,516,642.60 × 53,634,896.15
  4. Step 4: Simplify right side
    141,066,979.22x = 11,344,673,159,847,666
  5. Step 5: Solve for x
    x = 11,344,673,159,847,666/141,066,979.22
  6. Step 6: Final answer
    x = 80,420,472.76

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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.