Home / 134,575,408.05-185,714,228.79-72,695,747.22

Finding the Fourth Proportional to 134,575,408.05, 185,714,228.79 and 72,695,747.22

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Solution

The fourth proportional to 134,575,408.05, 185,714,228.79 and 72,695,747.22 is: 100,320,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,575,408.05 : 185,714,228.79 = 72,695,747.22 : x
  2. Step 2: Convert to fraction form
    134,575,408.05/185,714,228.79 = 72,695,747.22/x
  3. Step 3: Cross multiply
    134,575,408.05x = 185,714,228.79 × 72,695,747.22
  4. Step 4: Simplify right side
    134,575,408.05x = 13,500,634,631,275,086
  5. Step 5: Solve for x
    x = 13,500,634,631,275,086/134,575,408.05
  6. Step 6: Final answer
    x = 100,320,220.66

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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.