Home / 90,554,920.01-135,803,584.13-29,129,780.76

Finding the Fourth Proportional to 90,554,920.01, 135,803,584.13 and 29,129,780.76

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Solution

The fourth proportional to 90,554,920.01, 135,803,584.13 and 29,129,780.76 is: 43,685,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,554,920.01 : 135,803,584.13 = 29,129,780.76 : x
  2. Step 2: Convert to fraction form
    90,554,920.01/135,803,584.13 = 29,129,780.76/x
  3. Step 3: Cross multiply
    90,554,920.01x = 135,803,584.13 × 29,129,780.76
  4. Step 4: Simplify right side
    90,554,920.01x = 3,955,928,631,983,466.50
  5. Step 5: Solve for x
    x = 3,955,928,631,983,466.50/90,554,920.01
  6. Step 6: Final answer
    x = 43,685,408.05

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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.