Home / 91,241,856-136,862,959.68-22,154,368.32

Finding the Fourth Proportional to 91,241,856, 136,862,959.68 and 22,154,368.32

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Solution

The fourth proportional to 91,241,856, 136,862,959.68 and 22,154,368.32 is: 33,231,595.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,241,856 : 136,862,959.68 = 22,154,368.32 : x
  2. Step 2: Convert to fraction form
    91,241,856/136,862,959.68 = 22,154,368.32/x
  3. Step 3: Cross multiply
    91,241,856x = 136,862,959.68 × 22,154,368.32
  4. Step 4: Simplify right side
    91,241,856x = 3,032,112,418,116,029.50
  5. Step 5: Solve for x
    x = 3,032,112,418,116,029.50/91,241,856
  6. Step 6: Final answer
    x = 33,231,595.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.