Home / 93,172,435.88-139,753,568.76-28,476,219.08

Finding the Fourth Proportional to 93,172,435.88, 139,753,568.76 and 28,476,219.08

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Solution

The fourth proportional to 93,172,435.88, 139,753,568.76 and 28,476,219.08 is: 42,712,774.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,172,435.88 : 139,753,568.76 = 28,476,219.08 : x
  2. Step 2: Convert to fraction form
    93,172,435.88/139,753,568.76 = 28,476,219.08/x
  3. Step 3: Cross multiply
    93,172,435.88x = 139,753,568.76 × 28,476,219.08
  4. Step 4: Simplify right side
    93,172,435.88x = 3,979,653,241,221,603.50
  5. Step 5: Solve for x
    x = 3,979,653,241,221,603.50/93,172,435.88
  6. Step 6: Final answer
    x = 42,712,774.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.