Home / 112,293,627.20-168,440,440.80-68,644,606.40

Finding the Fourth Proportional to 112,293,627.20, 168,440,440.80 and 68,644,606.40

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Solution

The fourth proportional to 112,293,627.20, 168,440,440.80 and 68,644,606.40 is: 102,966,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,293,627.20 : 168,440,440.80 = 68,644,606.40 : x
  2. Step 2: Convert to fraction form
    112,293,627.20/168,440,440.80 = 68,644,606.40/x
  3. Step 3: Cross multiply
    112,293,627.20x = 168,440,440.80 × 68,644,606.40
  4. Step 4: Simplify right side
    112,293,627.20x = 11,562,527,760,558,502
  5. Step 5: Solve for x
    x = 11,562,527,760,558,502/112,293,627.20
  6. Step 6: Final answer
    x = 102,966,909.60

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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.