Home / 216,811,279.43-299,199,948.05-117,692,095.47

Finding the Fourth Proportional to 216,811,279.43, 299,199,948.05 and 117,692,095.47

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Solution

The fourth proportional to 216,811,279.43, 299,199,948.05 and 117,692,095.47 is: 162,415,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,811,279.43 : 299,199,948.05 = 117,692,095.47 : x
  2. Step 2: Convert to fraction form
    216,811,279.43/299,199,948.05 = 117,692,095.47/x
  3. Step 3: Cross multiply
    216,811,279.43x = 299,199,948.05 × 117,692,095.47
  4. Step 4: Simplify right side
    216,811,279.43x = 35,213,468,849,023,644
  5. Step 5: Solve for x
    x = 35,213,468,849,023,644/216,811,279.43
  6. Step 6: Final answer
    x = 162,415,299.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.