Home / 142,083,287.52-196,074,934.40-76,893,191.52

Finding the Fourth Proportional to 142,083,287.52, 196,074,934.40 and 76,893,191.52

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Solution

The fourth proportional to 142,083,287.52, 196,074,934.40 and 76,893,191.52 is: 106,112,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,083,287.52 : 196,074,934.40 = 76,893,191.52 : x
  2. Step 2: Convert to fraction form
    142,083,287.52/196,074,934.40 = 76,893,191.52/x
  3. Step 3: Cross multiply
    142,083,287.52x = 196,074,934.40 × 76,893,191.52
  4. Step 4: Simplify right side
    142,083,287.52x = 15,076,827,483,090,636
  5. Step 5: Solve for x
    x = 15,076,827,483,090,636/142,083,287.52
  6. Step 6: Final answer
    x = 106,112,603.01

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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.