Home / 112,161,806.70-168,242,710.05-96,767,400.30

Finding the Fourth Proportional to 112,161,806.70, 168,242,710.05 and 96,767,400.30

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Solution

The fourth proportional to 112,161,806.70, 168,242,710.05 and 96,767,400.30 is: 145,151,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,161,806.70 : 168,242,710.05 = 96,767,400.30 : x
  2. Step 2: Convert to fraction form
    112,161,806.70/168,242,710.05 = 96,767,400.30/x
  3. Step 3: Cross multiply
    112,161,806.70x = 168,242,710.05 × 96,767,400.30
  4. Step 4: Simplify right side
    112,161,806.70x = 16,280,409,670,965,184
  5. Step 5: Solve for x
    x = 16,280,409,670,965,184/112,161,806.70
  6. Step 6: Final answer
    x = 145,151,100.45

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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.