Home / 320,994,018.18-443,107,346.67-216,713,338.38

Finding the Fourth Proportional to 320,994,018.18, 443,107,346.67 and 216,713,338.38

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Solution

The fourth proportional to 320,994,018.18, 443,107,346.67 and 216,713,338.38 is: 299,155,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,994,018.18 : 443,107,346.67 = 216,713,338.38 : x
  2. Step 2: Convert to fraction form
    320,994,018.18/443,107,346.67 = 216,713,338.38/x
  3. Step 3: Cross multiply
    320,994,018.18x = 443,107,346.67 × 216,713,338.38
  4. Step 4: Simplify right side
    320,994,018.18x = 96,027,272,357,559,680
  5. Step 5: Solve for x
    x = 96,027,272,357,559,680/320,994,018.18
  6. Step 6: Final answer
    x = 299,155,955.93

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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.