Home / 245,862,885.92-339,310,130.49-140,020,781.67

Finding the Fourth Proportional to 245,862,885.92, 339,310,130.49 and 140,020,781.67

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Solution

The fourth proportional to 245,862,885.92, 339,310,130.49 and 140,020,781.67 is: 193,239,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,862,885.92 : 339,310,130.49 = 140,020,781.67 : x
  2. Step 2: Convert to fraction form
    245,862,885.92/339,310,130.49 = 140,020,781.67/x
  3. Step 3: Cross multiply
    245,862,885.92x = 339,310,130.49 × 140,020,781.67
  4. Step 4: Simplify right side
    245,862,885.92x = 47,510,469,699,759,496
  5. Step 5: Solve for x
    x = 47,510,469,699,759,496/245,862,885.92
  6. Step 6: Final answer
    x = 193,239,697.50

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Why These Related Problems?

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