Home / 112,576,006.40-168,864,009.60-105,857,542.40

Finding the Fourth Proportional to 112,576,006.40, 168,864,009.60 and 105,857,542.40

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Solution

The fourth proportional to 112,576,006.40, 168,864,009.60 and 105,857,542.40 is: 158,786,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,576,006.40 : 168,864,009.60 = 105,857,542.40 : x
  2. Step 2: Convert to fraction form
    112,576,006.40/168,864,009.60 = 105,857,542.40/x
  3. Step 3: Cross multiply
    112,576,006.40x = 168,864,009.60 × 105,857,542.40
  4. Step 4: Simplify right side
    112,576,006.40x = 17,875,529,056,066,008
  5. Step 5: Solve for x
    x = 17,875,529,056,066,008/112,576,006.40
  6. Step 6: Final answer
    x = 158,786,313.60

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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.