Home / 145,406,029.20-217,731,130.20-114,920,998.80

Finding the Fourth Proportional to 145,406,029.20, 217,731,130.20 and 114,920,998.80

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Solution

The fourth proportional to 145,406,029.20, 217,731,130.20 and 114,920,998.80 is: 172,082,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,406,029.20 : 217,731,130.20 = 114,920,998.80 : x
  2. Step 2: Convert to fraction form
    145,406,029.20/217,731,130.20 = 114,920,998.80/x
  3. Step 3: Cross multiply
    145,406,029.20x = 217,731,130.20 × 114,920,998.80
  4. Step 4: Simplify right side
    145,406,029.20x = 25,021,878,952,436,840
  5. Step 5: Solve for x
    x = 25,021,878,952,436,840/145,406,029.20
  6. Step 6: Final answer
    x = 172,082,815.89

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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.