Home / 54,219,873.88-74,822,659.86-30,697,803.72

Finding the Fourth Proportional to 54,219,873.88, 74,822,659.86 and 30,697,803.72

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Solution

The fourth proportional to 54,219,873.88, 74,822,659.86 and 30,697,803.72 is: 42,362,535.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219,873.88 : 74,822,659.86 = 30,697,803.72 : x
  2. Step 2: Convert to fraction form
    54,219,873.88/74,822,659.86 = 30,697,803.72/x
  3. Step 3: Cross multiply
    54,219,873.88x = 74,822,659.86 × 30,697,803.72
  4. Step 4: Simplify right side
    54,219,873.88x = 2,296,891,326,190,602.50
  5. Step 5: Solve for x
    x = 2,296,891,326,190,602.50/54,219,873.88
  6. Step 6: Final answer
    x = 42,362,535.39

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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.