Home / 434,987,496.96-652,542,403.68-139,783,646.40

Finding the Fourth Proportional to 434,987,496.96, 652,542,403.68 and 139,783,646.40

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Solution

The fourth proportional to 434,987,496.96, 652,542,403.68 and 139,783,646.40 is: 209,695,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,987,496.96 : 652,542,403.68 = 139,783,646.40 : x
  2. Step 2: Convert to fraction form
    434,987,496.96/652,542,403.68 = 139,783,646.40/x
  3. Step 3: Cross multiply
    434,987,496.96x = 652,542,403.68 × 139,783,646.40
  4. Step 4: Simplify right side
    434,987,496.96x = 91,214,756,617,011,168
  5. Step 5: Solve for x
    x = 91,214,756,617,011,168/434,987,496.96
  6. Step 6: Final answer
    x = 209,695,122.86

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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.