Home / 56,979,177.02-78,631,333.77-30,873,674.26

Finding the Fourth Proportional to 56,979,177.02, 78,631,333.77 and 30,873,674.26

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Solution

The fourth proportional to 56,979,177.02, 78,631,333.77 and 30,873,674.26 is: 42,605,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979,177.02 : 78,631,333.77 = 30,873,674.26 : x
  2. Step 2: Convert to fraction form
    56,979,177.02/78,631,333.77 = 30,873,674.26/x
  3. Step 3: Cross multiply
    56,979,177.02x = 78,631,333.77 × 30,873,674.26
  4. Step 4: Simplify right side
    56,979,177.02x = 2,427,638,185,444,318
  5. Step 5: Solve for x
    x = 2,427,638,185,444,318/56,979,177.02
  6. Step 6: Final answer
    x = 42,605,708.13

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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.