Home / 66,444,813.60-99,667,220.40-61,183,547.70

Finding the Fourth Proportional to 66,444,813.60, 99,667,220.40 and 61,183,547.70

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Solution

The fourth proportional to 66,444,813.60, 99,667,220.40 and 61,183,547.70 is: 91,775,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,444,813.60 : 99,667,220.40 = 61,183,547.70 : x
  2. Step 2: Convert to fraction form
    66,444,813.60/99,667,220.40 = 61,183,547.70/x
  3. Step 3: Cross multiply
    66,444,813.60x = 99,667,220.40 × 61,183,547.70
  4. Step 4: Simplify right side
    66,444,813.60x = 6,097,994,133,469,814
  5. Step 5: Solve for x
    x = 6,097,994,133,469,814/66,444,813.60
  6. Step 6: Final answer
    x = 91,775,321.55

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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.