Home / 90,075,124.40-135,061,497.60-35,458,133.36

Finding the Fourth Proportional to 90,075,124.40, 135,061,497.60 and 35,458,133.36

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Solution

The fourth proportional to 90,075,124.40, 135,061,497.60 and 35,458,133.36 is: 53,167,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,075,124.40 : 135,061,497.60 = 35,458,133.36 : x
  2. Step 2: Convert to fraction form
    90,075,124.40/135,061,497.60 = 35,458,133.36/x
  3. Step 3: Cross multiply
    90,075,124.40x = 135,061,497.60 × 35,458,133.36
  4. Step 4: Simplify right side
    90,075,124.40x = 4,789,028,593,702,120
  5. Step 5: Solve for x
    x = 4,789,028,593,702,120/90,075,124.40
  6. Step 6: Final answer
    x = 53,167,049.46

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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.