Home / 89,023,426.60-133,535,139.90-66,065,175.40

Finding the Fourth Proportional to 89,023,426.60, 133,535,139.90 and 66,065,175.40

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Solution

The fourth proportional to 89,023,426.60, 133,535,139.90 and 66,065,175.40 is: 99,097,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,023,426.60 : 133,535,139.90 = 66,065,175.40 : x
  2. Step 2: Convert to fraction form
    89,023,426.60/133,535,139.90 = 66,065,175.40/x
  3. Step 3: Cross multiply
    89,023,426.60x = 133,535,139.90 × 66,065,175.40
  4. Step 4: Simplify right side
    89,023,426.60x = 8,822,022,439,557,039
  5. Step 5: Solve for x
    x = 8,822,022,439,557,039/89,023,426.60
  6. Step 6: Final answer
    x = 99,097,763.10

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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.