Home / 103,624,626.60-155,436,939.90-31,811,711.40

Finding the Fourth Proportional to 103,624,626.60, 155,436,939.90 and 31,811,711.40

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Solution

The fourth proportional to 103,624,626.60, 155,436,939.90 and 31,811,711.40 is: 47,717,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624,626.60 : 155,436,939.90 = 31,811,711.40 : x
  2. Step 2: Convert to fraction form
    103,624,626.60/155,436,939.90 = 31,811,711.40/x
  3. Step 3: Cross multiply
    103,624,626.60x = 155,436,939.90 × 31,811,711.40
  4. Step 4: Simplify right side
    103,624,626.60x = 4,944,715,072,997,945
  5. Step 5: Solve for x
    x = 4,944,715,072,997,945/103,624,626.60
  6. Step 6: Final answer
    x = 47,717,567.10

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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.