Home / 140,020,175.67-193,230,935.57-77,296,125.06

Finding the Fourth Proportional to 140,020,175.67, 193,230,935.57 and 77,296,125.06

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Solution

The fourth proportional to 140,020,175.67, 193,230,935.57 and 77,296,125.06 is: 106,670,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,020,175.67 : 193,230,935.57 = 77,296,125.06 : x
  2. Step 2: Convert to fraction form
    140,020,175.67/193,230,935.57 = 77,296,125.06/x
  3. Step 3: Cross multiply
    140,020,175.67x = 193,230,935.57 × 77,296,125.06
  4. Step 4: Simplify right side
    140,020,175.67x = 14,936,002,559,926,888
  5. Step 5: Solve for x
    x = 14,936,002,559,926,888/140,020,175.67
  6. Step 6: Final answer
    x = 106,670,360.10

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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.