Home / 71,310,009.79-98,500,124.82-58,969,949.77

Finding the Fourth Proportional to 71,310,009.79, 98,500,124.82 and 58,969,949.77

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Solution

The fourth proportional to 71,310,009.79, 98,500,124.82 and 58,969,949.77 is: 81,454,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,310,009.79 : 98,500,124.82 = 58,969,949.77 : x
  2. Step 2: Convert to fraction form
    71,310,009.79/98,500,124.82 = 58,969,949.77/x
  3. Step 3: Cross multiply
    71,310,009.79x = 98,500,124.82 × 58,969,949.77
  4. Step 4: Simplify right side
    71,310,009.79x = 5,808,547,412,995,715
  5. Step 5: Solve for x
    x = 5,808,547,412,995,715/71,310,009.79
  6. Step 6: Final answer
    x = 81,454,867.70

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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.