Home / 91,065,784.20-136,551,437.10-33,528,438.60

Finding the Fourth Proportional to 91,065,784.20, 136,551,437.10 and 33,528,438.60

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Solution

The fourth proportional to 91,065,784.20, 136,551,437.10 and 33,528,438.60 is: 50,275,265.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,065,784.20 : 136,551,437.10 = 33,528,438.60 : x
  2. Step 2: Convert to fraction form
    91,065,784.20/136,551,437.10 = 33,528,438.60/x
  3. Step 3: Cross multiply
    91,065,784.20x = 136,551,437.10 × 33,528,438.60
  4. Step 4: Simplify right side
    91,065,784.20x = 4,578,356,474,549,112
  5. Step 5: Solve for x
    x = 4,578,356,474,549,112/91,065,784.20
  6. Step 6: Final answer
    x = 50,275,265.46

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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.