Home / 101,172,530.79-139,559,815.51-60,910,499.50

Finding the Fourth Proportional to 101,172,530.79, 139,559,815.51 and 60,910,499.50

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Solution

The fourth proportional to 101,172,530.79, 139,559,815.51 and 60,910,499.50 is: 84,021,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,172,530.79 : 139,559,815.51 = 60,910,499.50 : x
  2. Step 2: Convert to fraction form
    101,172,530.79/139,559,815.51 = 60,910,499.50/x
  3. Step 3: Cross multiply
    101,172,530.79x = 139,559,815.51 × 60,910,499.50
  4. Step 4: Simplify right side
    101,172,530.79x = 8,500,658,072,841,947
  5. Step 5: Solve for x
    x = 8,500,658,072,841,947/101,172,530.79
  6. Step 6: Final answer
    x = 84,021,403.90

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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.