Home / 175,225,357.40-262,856,064.90-66,142,408.28

Finding the Fourth Proportional to 175,225,357.40, 262,856,064.90 and 66,142,408.28

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Solution

The fourth proportional to 175,225,357.40, 262,856,064.90 and 66,142,408.28 is: 99,220,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,225,357.40 : 262,856,064.90 = 66,142,408.28 : x
  2. Step 2: Convert to fraction form
    175,225,357.40/262,856,064.90 = 66,142,408.28/x
  3. Step 3: Cross multiply
    175,225,357.40x = 262,856,064.90 × 66,142,408.28
  4. Step 4: Simplify right side
    175,225,357.40x = 17,385,933,163,489,978
  5. Step 5: Solve for x
    x = 17,385,933,163,489,978/175,225,357.40
  6. Step 6: Final answer
    x = 99,220,417.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.