Home / 101,499,916.37-140,069,988.25-55,090,179.86

Finding the Fourth Proportional to 101,499,916.37, 140,069,988.25 and 55,090,179.86

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Solution

The fourth proportional to 101,499,916.37, 140,069,988.25 and 55,090,179.86 is: 76,024,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,499,916.37 : 140,069,988.25 = 55,090,179.86 : x
  2. Step 2: Convert to fraction form
    101,499,916.37/140,069,988.25 = 55,090,179.86/x
  3. Step 3: Cross multiply
    101,499,916.37x = 140,069,988.25 × 55,090,179.86
  4. Step 4: Simplify right side
    101,499,916.37x = 7,716,480,844,842,511
  5. Step 5: Solve for x
    x = 7,716,480,844,842,511/101,499,916.37
  6. Step 6: Final answer
    x = 76,024,504.46

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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.