Home / 56,979,179.02-78,631,336.53-30,873,676.26

Finding the Fourth Proportional to 56,979,179.02, 78,631,336.53 and 30,873,676.26

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Solution

The fourth proportional to 56,979,179.02, 78,631,336.53 and 30,873,676.26 is: 42,605,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979,179.02 : 78,631,336.53 = 30,873,676.26 : x
  2. Step 2: Convert to fraction form
    56,979,179.02/78,631,336.53 = 30,873,676.26/x
  3. Step 3: Cross multiply
    56,979,179.02x = 78,631,336.53 × 30,873,676.26
  4. Step 4: Simplify right side
    56,979,179.02x = 2,427,638,427,918,332
  5. Step 5: Solve for x
    x = 2,427,638,427,918,332/56,979,179.02
  6. Step 6: Final answer
    x = 42,605,710.89

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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.