Home / 66,535,269.40-99,653,604.90-54,591,333.40

Finding the Fourth Proportional to 66,535,269.40, 99,653,604.90 and 54,591,333.40

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Solution

The fourth proportional to 66,535,269.40, 99,653,604.90 and 54,591,333.40 is: 81,764,502.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,535,269.40 : 99,653,604.90 = 54,591,333.40 : x
  2. Step 2: Convert to fraction form
    66,535,269.40/99,653,604.90 = 54,591,333.40/x
  3. Step 3: Cross multiply
    66,535,269.40x = 99,653,604.90 × 54,591,333.40
  4. Step 4: Simplify right side
    66,535,269.40x = 5,440,223,169,607,774
  5. Step 5: Solve for x
    x = 5,440,223,169,607,774/66,535,269.40
  6. Step 6: Final answer
    x = 81,764,502.03

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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.