Home / 112,060,218.30-168,090,327.45-68,789,111.10

Finding the Fourth Proportional to 112,060,218.30, 168,090,327.45 and 68,789,111.10

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Solution

The fourth proportional to 112,060,218.30, 168,090,327.45 and 68,789,111.10 is: 103,183,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,060,218.30 : 168,090,327.45 = 68,789,111.10 : x
  2. Step 2: Convert to fraction form
    112,060,218.30/168,090,327.45 = 68,789,111.10/x
  3. Step 3: Cross multiply
    112,060,218.30x = 168,090,327.45 × 68,789,111.10
  4. Step 4: Simplify right side
    112,060,218.30x = 11,562,784,209,793,428
  5. Step 5: Solve for x
    x = 11,562,784,209,793,428/112,060,218.30
  6. Step 6: Final answer
    x = 103,183,666.65

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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.