Home / 71,139,665.72-98,172,804.22-38,544,617.72

Finding the Fourth Proportional to 71,139,665.72, 98,172,804.22 and 38,544,617.72

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Solution

The fourth proportional to 71,139,665.72, 98,172,804.22 and 38,544,617.72 is: 53,191,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,139,665.72 : 98,172,804.22 = 38,544,617.72 : x
  2. Step 2: Convert to fraction form
    71,139,665.72/98,172,804.22 = 38,544,617.72/x
  3. Step 3: Cross multiply
    71,139,665.72x = 98,172,804.22 × 38,544,617.72
  4. Step 4: Simplify right side
    71,139,665.72x = 3,784,033,208,573,077.50
  5. Step 5: Solve for x
    x = 3,784,033,208,573,077.50/71,139,665.72
  6. Step 6: Final answer
    x = 53,191,607.95

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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.