Home / 91,752,600.60-137,628,900.90-74,956,440.60

Finding the Fourth Proportional to 91,752,600.60, 137,628,900.90 and 74,956,440.60

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Solution

The fourth proportional to 91,752,600.60, 137,628,900.90 and 74,956,440.60 is: 112,434,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,752,600.60 : 137,628,900.90 = 74,956,440.60 : x
  2. Step 2: Convert to fraction form
    91,752,600.60/137,628,900.90 = 74,956,440.60/x
  3. Step 3: Cross multiply
    91,752,600.60x = 137,628,900.90 × 74,956,440.60
  4. Step 4: Simplify right side
    91,752,600.60x = 10,316,172,535,154,136
  5. Step 5: Solve for x
    x = 10,316,172,535,154,136/91,752,600.60
  6. Step 6: Final answer
    x = 112,434,660.90

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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.