Home / 122,678,046.70-183,860,772.45-65,197,854.70

Finding the Fourth Proportional to 122,678,046.70, 183,860,772.45 and 65,197,854.70

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Solution

The fourth proportional to 122,678,046.70, 183,860,772.45 and 65,197,854.70 is: 97,713,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,678,046.70 : 183,860,772.45 = 65,197,854.70 : x
  2. Step 2: Convert to fraction form
    122,678,046.70/183,860,772.45 = 65,197,854.70/x
  3. Step 3: Cross multiply
    122,678,046.70x = 183,860,772.45 × 65,197,854.70
  4. Step 4: Simplify right side
    122,678,046.70x = 11,987,327,927,224,862
  5. Step 5: Solve for x
    x = 11,987,327,927,224,862/122,678,046.70
  6. Step 6: Final answer
    x = 97,713,716.92

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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.