Home / 99,637,512,595.09-137,499,677,843.25-56,242,933,542.43

Finding the Fourth Proportional to 99,637,512,595.09, 137,499,677,843.25 and 56,242,933,542.43

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Solution

The fourth proportional to 99,637,512,595.09, 137,499,677,843.25 and 56,242,933,542.43 is: 77,615,197,746.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,637,512,595.09 : 137,499,677,843.25 = 56,242,933,542.43 : x
  2. Step 2: Convert to fraction form
    99,637,512,595.09/137,499,677,843.25 = 56,242,933,542.43/x
  3. Step 3: Cross multiply
    99,637,512,595.09x = 137,499,677,843.25 × 56,242,933,542.43
  4. Step 4: Simplify right side
    99,637,512,595.09x = 7,733,385,243,043,169,304,576
  5. Step 5: Solve for x
    x = 7,733,385,243,043,169,304,576/99,637,512,595.09
  6. Step 6: Final answer
    x = 77,615,197,746.56

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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.