Home / 57,358,341.18-79,153,512.39-31,253,074.74

Finding the Fourth Proportional to 57,358,341.18, 79,153,512.39 and 31,253,074.74

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Solution

The fourth proportional to 57,358,341.18, 79,153,512.39 and 31,253,074.74 is: 43,128,699.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,358,341.18 : 79,153,512.39 = 31,253,074.74 : x
  2. Step 2: Convert to fraction form
    57,358,341.18/79,153,512.39 = 31,253,074.74/x
  3. Step 3: Cross multiply
    57,358,341.18x = 79,153,512.39 × 31,253,074.74
  4. Step 4: Simplify right side
    57,358,341.18x = 2,473,790,638,658,186
  5. Step 5: Solve for x
    x = 2,473,790,638,658,186/57,358,341.18
  6. Step 6: Final answer
    x = 43,128,699.12

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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.