Home / 118,646,305.52-163,733,211.36-65,723,823.81

Finding the Fourth Proportional to 118,646,305.52, 163,733,211.36 and 65,723,823.81

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Solution

The fourth proportional to 118,646,305.52, 163,733,211.36 and 65,723,823.81 is: 90,699,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,646,305.52 : 163,733,211.36 = 65,723,823.81 : x
  2. Step 2: Convert to fraction form
    118,646,305.52/163,733,211.36 = 65,723,823.81/x
  3. Step 3: Cross multiply
    118,646,305.52x = 163,733,211.36 × 65,723,823.81
  4. Step 4: Simplify right side
    118,646,305.52x = 10,761,172,735,270,132
  5. Step 5: Solve for x
    x = 10,761,172,735,270,132/118,646,305.52
  6. Step 6: Final answer
    x = 90,699,602.39

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1.5x scale

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.