Home / 189,035,689.90-282,986,664.45-112,319,229.10

Finding the Fourth Proportional to 189,035,689.90, 282,986,664.45 and 112,319,229.10

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Solution

The fourth proportional to 189,035,689.90, 282,986,664.45 and 112,319,229.10 is: 168,142,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,035,689.90 : 282,986,664.45 = 112,319,229.10 : x
  2. Step 2: Convert to fraction form
    189,035,689.90/282,986,664.45 = 112,319,229.10/x
  3. Step 3: Cross multiply
    189,035,689.90x = 282,986,664.45 × 112,319,229.10
  4. Step 4: Simplify right side
    189,035,689.90x = 31,784,843,996,604,372
  5. Step 5: Solve for x
    x = 31,784,843,996,604,372/189,035,689.90
  6. Step 6: Final answer
    x = 168,142,026.58

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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.