Home / 62,136,699.66-85,785,428.16-55,242,138.42

Finding the Fourth Proportional to 62,136,699.66, 85,785,428.16 and 55,242,138.42

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Solution

The fourth proportional to 62,136,699.66, 85,785,428.16 and 55,242,138.42 is: 76,266,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,136,699.66 : 85,785,428.16 = 55,242,138.42 : x
  2. Step 2: Convert to fraction form
    62,136,699.66/85,785,428.16 = 55,242,138.42/x
  3. Step 3: Cross multiply
    62,136,699.66x = 85,785,428.16 × 55,242,138.42
  4. Step 4: Simplify right side
    62,136,699.66x = 4,738,970,496,833,686
  5. Step 5: Solve for x
    x = 4,738,970,496,833,686/62,136,699.66
  6. Step 6: Final answer
    x = 76,266,852.32

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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.