Home / 151,580,826-209,168,826.12-89,690,320.08

Finding the Fourth Proportional to 151,580,826, 209,168,826.12 and 89,690,320.08

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Solution

The fourth proportional to 151,580,826, 209,168,826.12 and 89,690,320.08 is: 123,765,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,580,826 : 209,168,826.12 = 89,690,320.08 : x
  2. Step 2: Convert to fraction form
    151,580,826/209,168,826.12 = 89,690,320.08/x
  3. Step 3: Cross multiply
    151,580,826x = 209,168,826.12 × 89,690,320.08
  4. Step 4: Simplify right side
    151,580,826x = 18,760,418,965,460,664
  5. Step 5: Solve for x
    x = 18,760,418,965,460,664/151,580,826
  6. Step 6: Final answer
    x = 123,765,118.98

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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.