Home / 54,785,137.90-75,605,866.84-30,338,851.90

Finding the Fourth Proportional to 54,785,137.90, 75,605,866.84 and 30,338,851.90

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Solution

The fourth proportional to 54,785,137.90, 75,605,866.84 and 30,338,851.90 is: 41,868,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,785,137.90 : 75,605,866.84 = 30,338,851.90 : x
  2. Step 2: Convert to fraction form
    54,785,137.90/75,605,866.84 = 30,338,851.90/x
  3. Step 3: Cross multiply
    54,785,137.90x = 75,605,866.84 × 30,338,851.90
  4. Step 4: Simplify right side
    54,785,137.90x = 2,293,795,196,829,881
  5. Step 5: Solve for x
    x = 2,293,795,196,829,881/54,785,137.90
  6. Step 6: Final answer
    x = 41,868,931.70

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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.