Home / 130,407,977.05-179,959,203.52-74,651,549.29

Finding the Fourth Proportional to 130,407,977.05, 179,959,203.52 and 74,651,549.29

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Solution

The fourth proportional to 130,407,977.05, 179,959,203.52 and 74,651,549.29 is: 103,016,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,407,977.05 : 179,959,203.52 = 74,651,549.29 : x
  2. Step 2: Convert to fraction form
    130,407,977.05/179,959,203.52 = 74,651,549.29/x
  3. Step 3: Cross multiply
    130,407,977.05x = 179,959,203.52 × 74,651,549.29
  4. Step 4: Simplify right side
    130,407,977.05x = 13,434,233,351,125,894
  5. Step 5: Solve for x
    x = 13,434,233,351,125,894/130,407,977.05
  6. Step 6: Final answer
    x = 103,016,959.97

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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.