Home / 152,053,734.54-209,838,579.30-85,972,813.32

Finding the Fourth Proportional to 152,053,734.54, 209,838,579.30 and 85,972,813.32

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Solution

The fourth proportional to 152,053,734.54, 209,838,579.30 and 85,972,813.32 is: 118,644,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,053,734.54 : 209,838,579.30 = 85,972,813.32 : x
  2. Step 2: Convert to fraction form
    152,053,734.54/209,838,579.30 = 85,972,813.32/x
  3. Step 3: Cross multiply
    152,053,734.54x = 209,838,579.30 × 85,972,813.32
  4. Step 4: Simplify right side
    152,053,734.54x = 18,040,413,005,492,916
  5. Step 5: Solve for x
    x = 18,040,413,005,492,916/152,053,734.54
  6. Step 6: Final answer
    x = 118,644,984.68

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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.