Home / 112,267,221.40-168,400,832.10-98,382,395.80

Finding the Fourth Proportional to 112,267,221.40, 168,400,832.10 and 98,382,395.80

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Solution

The fourth proportional to 112,267,221.40, 168,400,832.10 and 98,382,395.80 is: 147,573,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,267,221.40 : 168,400,832.10 = 98,382,395.80 : x
  2. Step 2: Convert to fraction form
    112,267,221.40/168,400,832.10 = 98,382,395.80/x
  3. Step 3: Cross multiply
    112,267,221.40x = 168,400,832.10 × 98,382,395.80
  4. Step 4: Simplify right side
    112,267,221.40x = 16,567,677,316,711,544
  5. Step 5: Solve for x
    x = 16,567,677,316,711,544/112,267,221.40
  6. Step 6: Final answer
    x = 147,573,593.70

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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.