Home / 107,894,167.79-161,814,309.05-42,328,668.38

Finding the Fourth Proportional to 107,894,167.79, 161,814,309.05 and 42,328,668.38

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Solution

The fourth proportional to 107,894,167.79, 161,814,309.05 and 42,328,668.38 is: 63,482,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,894,167.79 : 161,814,309.05 = 42,328,668.38 : x
  2. Step 2: Convert to fraction form
    107,894,167.79/161,814,309.05 = 42,328,668.38/x
  3. Step 3: Cross multiply
    107,894,167.79x = 161,814,309.05 × 42,328,668.38
  4. Step 4: Simplify right side
    107,894,167.79x = 6,849,384,226,213,033
  5. Step 5: Solve for x
    x = 6,849,384,226,213,033/107,894,167.79
  6. Step 6: Final answer
    x = 63,482,432.52

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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.