Home / 131,220,005.40-196,830,008.10-88,221,835.80

Finding the Fourth Proportional to 131,220,005.40, 196,830,008.10 and 88,221,835.80

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Solution

The fourth proportional to 131,220,005.40, 196,830,008.10 and 88,221,835.80 is: 132,332,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220,005.40 : 196,830,008.10 = 88,221,835.80 : x
  2. Step 2: Convert to fraction form
    131,220,005.40/196,830,008.10 = 88,221,835.80/x
  3. Step 3: Cross multiply
    131,220,005.40x = 196,830,008.10 × 88,221,835.80
  4. Step 4: Simplify right side
    131,220,005.40x = 17,364,704,655,110,868
  5. Step 5: Solve for x
    x = 17,364,704,655,110,868/131,220,005.40
  6. Step 6: Final answer
    x = 132,332,753.70

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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.