Home / 156,998,289.22-216,653,679.13-86,433,195.14

Finding the Fourth Proportional to 156,998,289.22, 216,653,679.13 and 86,433,195.14

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Solution

The fourth proportional to 156,998,289.22, 216,653,679.13 and 86,433,195.14 is: 119,275,629.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,998,289.22 : 216,653,679.13 = 86,433,195.14 : x
  2. Step 2: Convert to fraction form
    156,998,289.22/216,653,679.13 = 86,433,195.14/x
  3. Step 3: Cross multiply
    156,998,289.22x = 216,653,679.13 × 86,433,195.14
  4. Step 4: Simplify right side
    156,998,289.22x = 18,726,069,724,526,804
  5. Step 5: Solve for x
    x = 18,726,069,724,526,804/156,998,289.22
  6. Step 6: Final answer
    x = 119,275,629.17

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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.