Home / 161,110,988,364.63-222,333,384,437.34-87,867,396,146.15

Finding the Fourth Proportional to 161,110,988,364.63, 222,333,384,437.34 and 87,867,396,146.15

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Solution

The fourth proportional to 161,110,988,364.63, 222,333,384,437.34 and 87,867,396,146.15 is: 121,257,126,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,110,988,364.63 : 222,333,384,437.34 = 87,867,396,146.15 : x
  2. Step 2: Convert to fraction form
    161,110,988,364.63/222,333,384,437.34 = 87,867,396,146.15/x
  3. Step 3: Cross multiply
    161,110,988,364.63x = 222,333,384,437.34 × 87,867,396,146.15
  4. Step 4: Simplify right side
    161,110,988,364.63x = 19,535,855,566,868,904,411,136
  5. Step 5: Solve for x
    x = 19,535,855,566,868,904,411,136/161,110,988,364.63
  6. Step 6: Final answer
    x = 121,257,126,935.72

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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.