Home / 64,950,691.79-89,631,947.23-38,845,205.43

Finding the Fourth Proportional to 64,950,691.79, 89,631,947.23 and 38,845,205.43

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Solution

The fourth proportional to 64,950,691.79, 89,631,947.23 and 38,845,205.43 is: 53,606,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,950,691.79 : 89,631,947.23 = 38,845,205.43 : x
  2. Step 2: Convert to fraction form
    64,950,691.79/89,631,947.23 = 38,845,205.43/x
  3. Step 3: Cross multiply
    64,950,691.79x = 89,631,947.23 × 38,845,205.43
  4. Step 4: Simplify right side
    64,950,691.79x = 3,481,771,403,240,269.50
  5. Step 5: Solve for x
    x = 3,481,771,403,240,269.50/64,950,691.79
  6. Step 6: Final answer
    x = 53,606,379.05

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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.