Home / 64,864,078.11-89,609,653.94-42,589,909.58

Finding the Fourth Proportional to 64,864,078.11, 89,609,653.94 and 42,589,909.58

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Solution

The fourth proportional to 64,864,078.11, 89,609,653.94 and 42,589,909.58 is: 58,837,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,864,078.11 : 89,609,653.94 = 42,589,909.58 : x
  2. Step 2: Convert to fraction form
    64,864,078.11/89,609,653.94 = 42,589,909.58/x
  3. Step 3: Cross multiply
    64,864,078.11x = 89,609,653.94 × 42,589,909.58
  4. Step 4: Simplify right side
    64,864,078.11x = 3,816,467,058,351,642.50
  5. Step 5: Solve for x
    x = 3,816,467,058,351,642.50/64,864,078.11
  6. Step 6: Final answer
    x = 58,837,914.14

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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.