Home / 116,218,862.20-160,370,161.26-71,557,742.20

Finding the Fourth Proportional to 116,218,862.20, 160,370,161.26 and 71,557,742.20

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Solution

The fourth proportional to 116,218,862.20, 160,370,161.26 and 71,557,742.20 is: 98,742,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,218,862.20 : 160,370,161.26 = 71,557,742.20 : x
  2. Step 2: Convert to fraction form
    116,218,862.20/160,370,161.26 = 71,557,742.20/x
  3. Step 3: Cross multiply
    116,218,862.20x = 160,370,161.26 × 71,557,742.20
  4. Step 4: Simplify right side
    116,218,862.20x = 11,475,726,656,015,506
  5. Step 5: Solve for x
    x = 11,475,726,656,015,506/116,218,862.20
  6. Step 6: Final answer
    x = 98,742,376.57

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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.