Home / 199,314,088.70-298,971,133.05-131,289,640.70

Finding the Fourth Proportional to 199,314,088.70, 298,971,133.05 and 131,289,640.70

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Solution

The fourth proportional to 199,314,088.70, 298,971,133.05 and 131,289,640.70 is: 196,934,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,314,088.70 : 298,971,133.05 = 131,289,640.70 : x
  2. Step 2: Convert to fraction form
    199,314,088.70/298,971,133.05 = 131,289,640.70/x
  3. Step 3: Cross multiply
    199,314,088.70x = 298,971,133.05 × 131,289,640.70
  4. Step 4: Simplify right side
    199,314,088.70x = 39,251,812,637,806,400
  5. Step 5: Solve for x
    x = 39,251,812,637,806,400/199,314,088.70
  6. Step 6: Final answer
    x = 196,934,461.05

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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.