Home / 209,952,499.20-314,928,748.80-141,424,166.40

Finding the Fourth Proportional to 209,952,499.20, 314,928,748.80 and 141,424,166.40

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Solution

The fourth proportional to 209,952,499.20, 314,928,748.80 and 141,424,166.40 is: 212,136,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,499.20 : 314,928,748.80 = 141,424,166.40 : x
  2. Step 2: Convert to fraction form
    209,952,499.20/314,928,748.80 = 141,424,166.40/x
  3. Step 3: Cross multiply
    209,952,499.20x = 314,928,748.80 × 141,424,166.40
  4. Step 4: Simplify right side
    209,952,499.20x = 44,538,535,774,435,000
  5. Step 5: Solve for x
    x = 44,538,535,774,435,000/209,952,499.20
  6. Step 6: Final answer
    x = 212,136,249.60

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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.