Home / 66,205,579.72-91,362,267.28-38,329,465.36

Finding the Fourth Proportional to 66,205,579.72, 91,362,267.28 and 38,329,465.36

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Solution

The fourth proportional to 66,205,579.72, 91,362,267.28 and 38,329,465.36 is: 52,893,832.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,205,579.72 : 91,362,267.28 = 38,329,465.36 : x
  2. Step 2: Convert to fraction form
    66,205,579.72/91,362,267.28 = 38,329,465.36/x
  3. Step 3: Cross multiply
    66,205,579.72x = 91,362,267.28 × 38,329,465.36
  4. Step 4: Simplify right side
    66,205,579.72x = 3,501,866,858,919,821.50
  5. Step 5: Solve for x
    x = 3,501,866,858,919,821.50/66,205,579.72
  6. Step 6: Final answer
    x = 52,893,832.72

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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.