Home / 272,072,749.96-408,067,056.78-99,509,209.48

Finding the Fourth Proportional to 272,072,749.96, 408,067,056.78 and 99,509,209.48

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Solution

The fourth proportional to 272,072,749.96, 408,067,056.78 and 99,509,209.48 is: 149,248,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,072,749.96 : 408,067,056.78 = 99,509,209.48 : x
  2. Step 2: Convert to fraction form
    272,072,749.96/408,067,056.78 = 99,509,209.48/x
  3. Step 3: Cross multiply
    272,072,749.96x = 408,067,056.78 × 99,509,209.48
  4. Step 4: Simplify right side
    272,072,749.96x = 40,606,430,235,008,072
  5. Step 5: Solve for x
    x = 40,606,430,235,008,072/272,072,749.96
  6. Step 6: Final answer
    x = 149,248,428.01

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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.