Home / 131,713,016.91-197,492,943.09-49,838,220

Finding the Fourth Proportional to 131,713,016.91, 197,492,943.09 and 49,838,220

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Solution

The fourth proportional to 131,713,016.91, 197,492,943.09 and 49,838,220 is: 74,728,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,713,016.91 : 197,492,943.09 = 49,838,220 : x
  2. Step 2: Convert to fraction form
    131,713,016.91/197,492,943.09 = 49,838,220/x
  3. Step 3: Cross multiply
    131,713,016.91x = 197,492,943.09 × 49,838,220
  4. Step 4: Simplify right side
    131,713,016.91x = 9,842,696,746,166,900
  5. Step 5: Solve for x
    x = 9,842,696,746,166,900/131,713,016.91
  6. Step 6: Final answer
    x = 74,728,352.42

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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.