Home / 88,690,007.70-133,171,869.15-48,379,223.70

Finding the Fourth Proportional to 88,690,007.70, 133,171,869.15 and 48,379,223.70

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Solution

The fourth proportional to 88,690,007.70, 133,171,869.15 and 48,379,223.70 is: 72,643,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,690,007.70 : 133,171,869.15 = 48,379,223.70 : x
  2. Step 2: Convert to fraction form
    88,690,007.70/133,171,869.15 = 48,379,223.70/x
  3. Step 3: Cross multiply
    88,690,007.70x = 133,171,869.15 × 48,379,223.70
  4. Step 4: Simplify right side
    88,690,007.70x = 6,442,751,648,154,980
  5. Step 5: Solve for x
    x = 6,442,751,648,154,980/88,690,007.70
  6. Step 6: Final answer
    x = 72,643,489.56

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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.