Home / 101,499,916.87-140,069,988.94-55,090,180.36

Finding the Fourth Proportional to 101,499,916.87, 140,069,988.94 and 55,090,180.36

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Solution

The fourth proportional to 101,499,916.87, 140,069,988.94 and 55,090,180.36 is: 76,024,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,499,916.87 : 140,069,988.94 = 55,090,180.36 : x
  2. Step 2: Convert to fraction form
    101,499,916.87/140,069,988.94 = 55,090,180.36/x
  3. Step 3: Cross multiply
    101,499,916.87x = 140,069,988.94 × 55,090,180.36
  4. Step 4: Simplify right side
    101,499,916.87x = 7,716,480,953,027,455
  5. Step 5: Solve for x
    x = 7,716,480,953,027,455/101,499,916.87
  6. Step 6: Final answer
    x = 76,024,505.16

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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.