Home / 118,646,304.28-163,733,209.64-65,723,822.56

Finding the Fourth Proportional to 118,646,304.28, 163,733,209.64 and 65,723,822.56

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Solution

The fourth proportional to 118,646,304.28, 163,733,209.64 and 65,723,822.56 is: 90,699,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,646,304.28 : 163,733,209.64 = 65,723,822.56 : x
  2. Step 2: Convert to fraction form
    118,646,304.28/163,733,209.64 = 65,723,822.56/x
  3. Step 3: Cross multiply
    118,646,304.28x = 163,733,209.64 × 65,723,822.56
  4. Step 4: Simplify right side
    118,646,304.28x = 10,761,172,417,558,640
  5. Step 5: Solve for x
    x = 10,761,172,417,558,640/118,646,304.28
  6. Step 6: Final answer
    x = 90,699,600.66

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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.