Home / 57,693,460.77-79,616,979.95-31,587,980.49

Finding the Fourth Proportional to 57,693,460.77, 79,616,979.95 and 31,587,980.49

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Solution

The fourth proportional to 57,693,460.77, 79,616,979.95 and 31,587,980.49 is: 43,591,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,693,460.77 : 79,616,979.95 = 31,587,980.49 : x
  2. Step 2: Convert to fraction form
    57,693,460.77/79,616,979.95 = 31,587,980.49/x
  3. Step 3: Cross multiply
    57,693,460.77x = 79,616,979.95 × 31,587,980.49
  4. Step 4: Simplify right side
    57,693,460.77x = 2,514,939,609,175,381
  5. Step 5: Solve for x
    x = 2,514,939,609,175,381/57,693,460.77
  6. Step 6: Final answer
    x = 43,591,415.31

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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.