Home / 258,969,936,002.77-357,488,551,641.12-161,359,803,291.58

Finding the Fourth Proportional to 258,969,936,002.77, 357,488,551,641.12 and 161,359,803,291.58

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Solution

The fourth proportional to 258,969,936,002.77, 357,488,551,641.12 and 161,359,803,291.58 is: 222,745,092,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,969,936,002.77 : 357,488,551,641.12 = 161,359,803,291.58 : x
  2. Step 2: Convert to fraction form
    258,969,936,002.77/357,488,551,641.12 = 161,359,803,291.58/x
  3. Step 3: Cross multiply
    258,969,936,002.77x = 357,488,551,641.12 × 161,359,803,291.58
  4. Step 4: Simplify right side
    258,969,936,002.77x = 57,684,282,371,802,954,465,280
  5. Step 5: Solve for x
    x = 57,684,282,371,802,954,465,280/258,969,936,002.77
  6. Step 6: Final answer
    x = 222,745,092,585.52

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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.