Home / 57,375,899.51-79,176,715.65-31,269,899.21

Finding the Fourth Proportional to 57,375,899.51, 79,176,715.65 and 31,269,899.21

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Solution

The fourth proportional to 57,375,899.51, 79,176,715.65 and 31,269,899.21 is: 43,151,356.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,375,899.51 : 79,176,715.65 = 31,269,899.21 : x
  2. Step 2: Convert to fraction form
    57,375,899.51/79,176,715.65 = 31,269,899.21/x
  3. Step 3: Cross multiply
    57,375,899.51x = 79,176,715.65 × 31,269,899.21
  4. Step 4: Simplify right side
    57,375,899.51x = 2,475,847,917,758,446
  5. Step 5: Solve for x
    x = 2,475,847,917,758,446/57,375,899.51
  6. Step 6: Final answer
    x = 43,151,356.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.