Home / 90,596,522.88-135,760,410.72-66,544,421.76

Finding the Fourth Proportional to 90,596,522.88, 135,760,410.72 and 66,544,421.76

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Solution

The fourth proportional to 90,596,522.88, 135,760,410.72 and 66,544,421.76 is: 99,717,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,596,522.88 : 135,760,410.72 = 66,544,421.76 : x
  2. Step 2: Convert to fraction form
    90,596,522.88/135,760,410.72 = 66,544,421.76/x
  3. Step 3: Cross multiply
    90,596,522.88x = 135,760,410.72 × 66,544,421.76
  4. Step 4: Simplify right side
    90,596,522.88x = 9,034,098,029,262,504
  5. Step 5: Solve for x
    x = 9,034,098,029,262,504/90,596,522.88
  6. Step 6: Final answer
    x = 99,717,933.34

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1.5x scale

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.