Home / 131,128,105.80-196,692,158.70-63,103,657.80

Finding the Fourth Proportional to 131,128,105.80, 196,692,158.70 and 63,103,657.80

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Solution

The fourth proportional to 131,128,105.80, 196,692,158.70 and 63,103,657.80 is: 94,655,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,128,105.80 : 196,692,158.70 = 63,103,657.80 : x
  2. Step 2: Convert to fraction form
    131,128,105.80/196,692,158.70 = 63,103,657.80/x
  3. Step 3: Cross multiply
    131,128,105.80x = 196,692,158.70 × 63,103,657.80
  4. Step 4: Simplify right side
    131,128,105.80x = 12,411,994,674,548,092
  5. Step 5: Solve for x
    x = 12,411,994,674,548,092/131,128,105.80
  6. Step 6: Final answer
    x = 94,655,486.70

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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.