Home / 118,646,205.15-163,733,072.69-65,723,723.43

Finding the Fourth Proportional to 118,646,205.15, 163,733,072.69 and 65,723,723.43

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Solution

The fourth proportional to 118,646,205.15, 163,733,072.69 and 65,723,723.43 is: 90,699,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,646,205.15 : 163,733,072.69 = 65,723,723.43 : x
  2. Step 2: Convert to fraction form
    118,646,205.15/163,733,072.69 = 65,723,723.43/x
  3. Step 3: Cross multiply
    118,646,205.15x = 163,733,072.69 × 65,723,723.43
  4. Step 4: Simplify right side
    118,646,205.15x = 10,761,147,185,739,492
  5. Step 5: Solve for x
    x = 10,761,147,185,739,492/118,646,205.15
  6. Step 6: Final answer
    x = 90,699,463.77

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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.