Home / 113,629,505.88-156,808,624.10-61,418,541.37

Finding the Fourth Proportional to 113,629,505.88, 156,808,624.10 and 61,418,541.37

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Solution

The fourth proportional to 113,629,505.88, 156,808,624.10 and 61,418,541.37 is: 84,757,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,629,505.88 : 156,808,624.10 = 61,418,541.37 : x
  2. Step 2: Convert to fraction form
    113,629,505.88/156,808,624.10 = 61,418,541.37/x
  3. Step 3: Cross multiply
    113,629,505.88x = 156,808,624.10 × 61,418,541.37
  4. Step 4: Simplify right side
    113,629,505.88x = 9,630,956,966,926,720
  5. Step 5: Solve for x
    x = 9,630,956,966,926,720/113,629,505.88
  6. Step 6: Final answer
    x = 84,757,536.28

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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.