Home / 99,698,006.56-137,583,439.47-55,044,065.02

Finding the Fourth Proportional to 99,698,006.56, 137,583,439.47 and 55,044,065.02

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Solution

The fourth proportional to 99,698,006.56, 137,583,439.47 and 55,044,065.02 is: 75,960,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,698,006.56 : 137,583,439.47 = 55,044,065.02 : x
  2. Step 2: Convert to fraction form
    99,698,006.56/137,583,439.47 = 55,044,065.02/x
  3. Step 3: Cross multiply
    99,698,006.56x = 137,583,439.47 × 55,044,065.02
  4. Step 4: Simplify right side
    99,698,006.56x = 7,573,151,787,861,915
  5. Step 5: Solve for x
    x = 7,573,151,787,861,915/99,698,006.56
  6. Step 6: Final answer
    x = 75,960,914.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.