Home / 89,563,787.32-123,636,162.64-60,212,144.56

Finding the Fourth Proportional to 89,563,787.32, 123,636,162.64 and 60,212,144.56

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Solution

The fourth proportional to 89,563,787.32, 123,636,162.64 and 60,212,144.56 is: 83,118,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,563,787.32 : 123,636,162.64 = 60,212,144.56 : x
  2. Step 2: Convert to fraction form
    89,563,787.32/123,636,162.64 = 60,212,144.56/x
  3. Step 3: Cross multiply
    89,563,787.32x = 123,636,162.64 × 60,212,144.56
  4. Step 4: Simplify right side
    89,563,787.32x = 7,444,398,497,723,352
  5. Step 5: Solve for x
    x = 7,444,398,497,723,352/89,563,787.32
  6. Step 6: Final answer
    x = 83,118,397.74

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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.