Home / 112,006,427.20-167,673,717.60-66,544,820.80

Finding the Fourth Proportional to 112,006,427.20, 167,673,717.60 and 66,544,820.80

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Solution

The fourth proportional to 112,006,427.20, 167,673,717.60 and 66,544,820.80 is: 99,617,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,006,427.20 : 167,673,717.60 = 66,544,820.80 : x
  2. Step 2: Convert to fraction form
    112,006,427.20/167,673,717.60 = 66,544,820.80/x
  3. Step 3: Cross multiply
    112,006,427.20x = 167,673,717.60 × 66,544,820.80
  4. Step 4: Simplify right side
    112,006,427.20x = 11,157,817,490,561,806
  5. Step 5: Solve for x
    x = 11,157,817,490,561,806/112,006,427.20
  6. Step 6: Final answer
    x = 99,617,653.82

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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.