Home / 57,358,326.18-79,153,491.69-31,253,059.74

Finding the Fourth Proportional to 57,358,326.18, 79,153,491.69 and 31,253,059.74

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Solution

The fourth proportional to 57,358,326.18, 79,153,491.69 and 31,253,059.74 is: 43,128,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,358,326.18 : 79,153,491.69 = 31,253,059.74 : x
  2. Step 2: Convert to fraction form
    57,358,326.18/79,153,491.69 = 31,253,059.74/x
  3. Step 3: Cross multiply
    57,358,326.18x = 79,153,491.69 × 31,253,059.74
  4. Step 4: Simplify right side
    57,358,326.18x = 2,473,788,804,417,163.50
  5. Step 5: Solve for x
    x = 2,473,788,804,417,163.50/57,358,326.18
  6. Step 6: Final answer
    x = 43,128,678.42

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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.