Home / 89,344,721.72-133,119,086.45-84,326,714.42

Finding the Fourth Proportional to 89,344,721.72, 133,119,086.45 and 84,326,714.42

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Solution

The fourth proportional to 89,344,721.72, 133,119,086.45 and 84,326,714.42 is: 125,642,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,344,721.72 : 133,119,086.45 = 84,326,714.42 : x
  2. Step 2: Convert to fraction form
    89,344,721.72/133,119,086.45 = 84,326,714.42/x
  3. Step 3: Cross multiply
    89,344,721.72x = 133,119,086.45 × 84,326,714.42
  4. Step 4: Simplify right side
    89,344,721.72x = 11,225,495,185,833,212
  5. Step 5: Solve for x
    x = 11,225,495,185,833,212/89,344,721.72
  6. Step 6: Final answer
    x = 125,642,511.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.