Home / 131,126,952.70-196,690,429.05-122,169,000.70

Finding the Fourth Proportional to 131,126,952.70, 196,690,429.05 and 122,169,000.70

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Solution

The fourth proportional to 131,126,952.70, 196,690,429.05 and 122,169,000.70 is: 183,253,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,126,952.70 : 196,690,429.05 = 122,169,000.70 : x
  2. Step 2: Convert to fraction form
    131,126,952.70/196,690,429.05 = 122,169,000.70/x
  3. Step 3: Cross multiply
    131,126,952.70x = 196,690,429.05 × 122,169,000.70
  4. Step 4: Simplify right side
    131,126,952.70x = 24,029,473,164,292,752
  5. Step 5: Solve for x
    x = 24,029,473,164,292,752/131,126,952.70
  6. Step 6: Final answer
    x = 183,253,501.05

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1.5x scale

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.