Home / 81,453,910.53-112,404,030.69-46,174,988.01

Finding the Fourth Proportional to 81,453,910.53, 112,404,030.69 and 46,174,988.01

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Solution

The fourth proportional to 81,453,910.53, 112,404,030.69 and 46,174,988.01 is: 63,720,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,453,910.53 : 112,404,030.69 = 46,174,988.01 : x
  2. Step 2: Convert to fraction form
    81,453,910.53/112,404,030.69 = 46,174,988.01/x
  3. Step 3: Cross multiply
    81,453,910.53x = 112,404,030.69 × 46,174,988.01
  4. Step 4: Simplify right side
    81,453,910.53x = 5,190,254,769,386,422
  5. Step 5: Solve for x
    x = 5,190,254,769,386,422/81,453,910.53
  6. Step 6: Final answer
    x = 63,720,142.29

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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.