Home / 54,637,171.53-75,403,594.83-31,116,702.78

Finding the Fourth Proportional to 54,637,171.53, 75,403,594.83 and 31,116,702.78

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Solution

The fourth proportional to 54,637,171.53, 75,403,594.83 and 31,116,702.78 is: 42,943,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,637,171.53 : 75,403,594.83 = 31,116,702.78 : x
  2. Step 2: Convert to fraction form
    54,637,171.53/75,403,594.83 = 31,116,702.78/x
  3. Step 3: Cross multiply
    54,637,171.53x = 75,403,594.83 × 31,116,702.78
  4. Step 4: Simplify right side
    54,637,171.53x = 2,346,311,248,868,654.50
  5. Step 5: Solve for x
    x = 2,346,311,248,868,654.50/54,637,171.53
  6. Step 6: Final answer
    x = 42,943,497.68

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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.