Home / 91,065,776.20-136,551,425.10-33,528,430.60

Finding the Fourth Proportional to 91,065,776.20, 136,551,425.10 and 33,528,430.60

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Solution

The fourth proportional to 91,065,776.20, 136,551,425.10 and 33,528,430.60 is: 50,275,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,065,776.20 : 136,551,425.10 = 33,528,430.60 : x
  2. Step 2: Convert to fraction form
    91,065,776.20/136,551,425.10 = 33,528,430.60/x
  3. Step 3: Cross multiply
    91,065,776.20x = 136,551,425.10 × 33,528,430.60
  4. Step 4: Simplify right side
    91,065,776.20x = 4,578,354,979,796,448
  5. Step 5: Solve for x
    x = 4,578,354,979,796,448/91,065,776.20
  6. Step 6: Final answer
    x = 50,275,253.46

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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.