Home / 131,242,009.79-196,836,292.10-48,215,226

Finding the Fourth Proportional to 131,242,009.79, 196,836,292.10 and 48,215,226

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Solution

The fourth proportional to 131,242,009.79, 196,836,292.10 and 48,215,226 is: 72,313,021.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,242,009.79 : 196,836,292.10 = 48,215,226 : x
  2. Step 2: Convert to fraction form
    131,242,009.79/196,836,292.10 = 48,215,226/x
  3. Step 3: Cross multiply
    131,242,009.79x = 196,836,292.10 × 48,215,226
  4. Step 4: Simplify right side
    131,242,009.79x = 9,490,506,308,724,052
  5. Step 5: Solve for x
    x = 9,490,506,308,724,052/131,242,009.79
  6. Step 6: Final answer
    x = 72,313,021.75

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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.