Home / 122,239,379-168,714,306.06-70,063,385.60

Finding the Fourth Proportional to 122,239,379, 168,714,306.06 and 70,063,385.60

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Solution

The fourth proportional to 122,239,379, 168,714,306.06 and 70,063,385.60 is: 96,701,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,239,379 : 168,714,306.06 = 70,063,385.60 : x
  2. Step 2: Convert to fraction form
    122,239,379/168,714,306.06 = 70,063,385.60/x
  3. Step 3: Cross multiply
    122,239,379x = 168,714,306.06 × 70,063,385.60
  4. Step 4: Simplify right side
    122,239,379x = 11,820,695,481,718,196
  5. Step 5: Solve for x
    x = 11,820,695,481,718,196/122,239,379
  6. Step 6: Final answer
    x = 96,701,206.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.