Home / 101,033,911.20-151,550,866.80-68,748,870.45

Finding the Fourth Proportional to 101,033,911.20, 151,550,866.80 and 68,748,870.45

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Solution

The fourth proportional to 101,033,911.20, 151,550,866.80 and 68,748,870.45 is: 103,123,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,033,911.20 : 151,550,866.80 = 68,748,870.45 : x
  2. Step 2: Convert to fraction form
    101,033,911.20/151,550,866.80 = 68,748,870.45/x
  3. Step 3: Cross multiply
    101,033,911.20x = 151,550,866.80 × 68,748,870.45
  4. Step 4: Simplify right side
    101,033,911.20x = 10,418,950,908,218,408
  5. Step 5: Solve for x
    x = 10,418,950,908,218,408/101,033,911.20
  6. Step 6: Final answer
    x = 103,123,305.68

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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.