Home / 45,245,130.12-67,857,595.32-20,980,904.18

Finding the Fourth Proportional to 45,245,130.12, 67,857,595.32 and 20,980,904.18

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Solution

The fourth proportional to 45,245,130.12, 67,857,595.32 and 20,980,904.18 is: 31,466,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,245,130.12 : 67,857,595.32 = 20,980,904.18 : x
  2. Step 2: Convert to fraction form
    45,245,130.12/67,857,595.32 = 20,980,904.18/x
  3. Step 3: Cross multiply
    45,245,130.12x = 67,857,595.32 × 20,980,904.18
  4. Step 4: Simplify right side
    45,245,130.12x = 1,423,713,705,294,136.25
  5. Step 5: Solve for x
    x = 1,423,713,705,294,136.25/45,245,130.12
  6. Step 6: Final answer
    x = 31,466,672.80

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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.