Home / 54,328,704-74,984,261.76-31,139,376

Finding the Fourth Proportional to 54,328,704, 74,984,261.76 and 31,139,376

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Solution

The fourth proportional to 54,328,704, 74,984,261.76 and 31,139,376 is: 42,978,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328,704 : 74,984,261.76 = 31,139,376 : x
  2. Step 2: Convert to fraction form
    54,328,704/74,984,261.76 = 31,139,376/x
  3. Step 3: Cross multiply
    54,328,704x = 74,984,261.76 × 31,139,376
  4. Step 4: Simplify right side
    54,328,704x = 2,334,963,121,027,062
  5. Step 5: Solve for x
    x = 2,334,963,121,027,062/54,328,704
  6. Step 6: Final answer
    x = 42,978,443.24

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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.