Home / 112,344,145.80-168,516,218.70-82,111,057.80

Finding the Fourth Proportional to 112,344,145.80, 168,516,218.70 and 82,111,057.80

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Solution

The fourth proportional to 112,344,145.80, 168,516,218.70 and 82,111,057.80 is: 123,166,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,344,145.80 : 168,516,218.70 = 82,111,057.80 : x
  2. Step 2: Convert to fraction form
    112,344,145.80/168,516,218.70 = 82,111,057.80/x
  3. Step 3: Cross multiply
    112,344,145.80x = 168,516,218.70 × 82,111,057.80
  4. Step 4: Simplify right side
    112,344,145.80x = 13,837,044,973,913,140
  5. Step 5: Solve for x
    x = 13,837,044,973,913,140/112,344,145.80
  6. Step 6: Final answer
    x = 123,166,586.70

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1.5x scale

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.