Home / 189,036,627.90-282,988,071.45-112,320,167.10

Finding the Fourth Proportional to 189,036,627.90, 282,988,071.45 and 112,320,167.10

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Solution

The fourth proportional to 189,036,627.90, 282,988,071.45 and 112,320,167.10 is: 168,143,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,036,627.90 : 282,988,071.45 = 112,320,167.10 : x
  2. Step 2: Convert to fraction form
    189,036,627.90/282,988,071.45 = 112,320,167.10/x
  3. Step 3: Cross multiply
    189,036,627.90x = 282,988,071.45 × 112,320,167.10
  4. Step 4: Simplify right side
    189,036,627.90x = 31,785,267,472,570,736
  5. Step 5: Solve for x
    x = 31,785,267,472,570,736/189,036,627.90
  6. Step 6: Final answer
    x = 168,143,432.44

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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.