Home / 54,219,872.88-74,822,658.48-30,697,802.72

Finding the Fourth Proportional to 54,219,872.88, 74,822,658.48 and 30,697,802.72

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Solution

The fourth proportional to 54,219,872.88, 74,822,658.48 and 30,697,802.72 is: 42,362,534.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219,872.88 : 74,822,658.48 = 30,697,802.72 : x
  2. Step 2: Convert to fraction form
    54,219,872.88/74,822,658.48 = 30,697,802.72/x
  3. Step 3: Cross multiply
    54,219,872.88x = 74,822,658.48 × 30,697,802.72
  4. Step 4: Simplify right side
    54,219,872.88x = 2,296,891,209,004,975
  5. Step 5: Solve for x
    x = 2,296,891,209,004,975/54,219,872.88
  6. Step 6: Final answer
    x = 42,362,534.01

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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.