Home / 30,499,123.20-42,087,640.62-16,560,176.93

Finding the Fourth Proportional to 30,499,123.20, 42,087,640.62 and 16,560,176.93

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Solution

The fourth proportional to 30,499,123.20, 42,087,640.62 and 16,560,176.93 is: 22,852,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,499,123.20 : 42,087,640.62 = 16,560,176.93 : x
  2. Step 2: Convert to fraction form
    30,499,123.20/42,087,640.62 = 16,560,176.93/x
  3. Step 3: Cross multiply
    30,499,123.20x = 42,087,640.62 × 16,560,176.93
  4. Step 4: Simplify right side
    30,499,123.20x = 696,978,775,149,795
  5. Step 5: Solve for x
    x = 696,978,775,149,795/30,499,123.20
  6. Step 6: Final answer
    x = 22,852,420.07

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