Home / 57,358,257.09-79,154,406.18-31,252,774.92

Finding the Fourth Proportional to 57,358,257.09, 79,154,406.18 and 31,252,774.92

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Solution

The fourth proportional to 57,358,257.09, 79,154,406.18 and 31,252,774.92 is: 43,128,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,358,257.09 : 79,154,406.18 = 31,252,774.92 : x
  2. Step 2: Convert to fraction form
    57,358,257.09/79,154,406.18 = 31,252,774.92/x
  3. Step 3: Cross multiply
    57,358,257.09x = 79,154,406.18 × 31,252,774.92
  4. Step 4: Simplify right side
    57,358,257.09x = 2,473,794,840,485,513.50
  5. Step 5: Solve for x
    x = 2,473,794,840,485,513.50/57,358,257.09
  6. Step 6: Final answer
    x = 43,128,835.60

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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.