Home / 161,830,004.80-242,745,007.20-107,410,446.40

Finding the Fourth Proportional to 161,830,004.80, 242,745,007.20 and 107,410,446.40

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Solution

The fourth proportional to 161,830,004.80, 242,745,007.20 and 107,410,446.40 is: 161,115,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,830,004.80 : 242,745,007.20 = 107,410,446.40 : x
  2. Step 2: Convert to fraction form
    161,830,004.80/242,745,007.20 = 107,410,446.40/x
  3. Step 3: Cross multiply
    161,830,004.80x = 242,745,007.20 × 107,410,446.40
  4. Step 4: Simplify right side
    161,830,004.80x = 26,073,349,584,723,216
  5. Step 5: Solve for x
    x = 26,073,349,584,723,216/161,830,004.80
  6. Step 6: Final answer
    x = 161,115,669.60

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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.