Home / 112,100,647.40-168,177,543.15-57,521,656.70

Finding the Fourth Proportional to 112,100,647.40, 168,177,543.15 and 57,521,656.70

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Solution

The fourth proportional to 112,100,647.40, 168,177,543.15 and 57,521,656.70 is: 86,296,119.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,647.40 : 168,177,543.15 = 57,521,656.70 : x
  2. Step 2: Convert to fraction form
    112,100,647.40/168,177,543.15 = 57,521,656.70/x
  3. Step 3: Cross multiply
    112,100,647.40x = 168,177,543.15 × 57,521,656.70
  4. Step 4: Simplify right side
    112,100,647.40x = 9,673,850,901,723,738
  5. Step 5: Solve for x
    x = 9,673,850,901,723,738/112,100,647.40
  6. Step 6: Final answer
    x = 86,296,119.84

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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.