Home / 112,004,356.10-168,006,534.15-105,201,911.30

Finding the Fourth Proportional to 112,004,356.10, 168,006,534.15 and 105,201,911.30

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Solution

The fourth proportional to 112,004,356.10, 168,006,534.15 and 105,201,911.30 is: 157,802,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,004,356.10 : 168,006,534.15 = 105,201,911.30 : x
  2. Step 2: Convert to fraction form
    112,004,356.10/168,006,534.15 = 105,201,911.30/x
  3. Step 3: Cross multiply
    112,004,356.10x = 168,006,534.15 × 105,201,911.30
  4. Step 4: Simplify right side
    112,004,356.10x = 17,674,608,503,468,722
  5. Step 5: Solve for x
    x = 17,674,608,503,468,722/112,004,356.10
  6. Step 6: Final answer
    x = 157,802,866.95

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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.