Home / 54,082,812.71-74,637,943.32-30,553,188.63

Finding the Fourth Proportional to 54,082,812.71, 74,637,943.32 and 30,553,188.63

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Solution

The fourth proportional to 54,082,812.71, 74,637,943.32 and 30,553,188.63 is: 42,165,468.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,082,812.71 : 74,637,943.32 = 30,553,188.63 : x
  2. Step 2: Convert to fraction form
    54,082,812.71/74,637,943.32 = 30,553,188.63/x
  3. Step 3: Cross multiply
    54,082,812.71x = 74,637,943.32 × 30,553,188.63
  4. Step 4: Simplify right side
    54,082,812.71x = 2,280,427,161,211,208
  5. Step 5: Solve for x
    x = 2,280,427,161,211,208/54,082,812.71
  6. Step 6: Final answer
    x = 42,165,468.98

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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.