Home / 77,064,510.08-106,246,143.39-61,222,160.01

Finding the Fourth Proportional to 77,064,510.08, 106,246,143.39 and 61,222,160.01

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Solution

The fourth proportional to 77,064,510.08, 106,246,143.39 and 61,222,160.01 is: 84,404,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,064,510.08 : 106,246,143.39 = 61,222,160.01 : x
  2. Step 2: Convert to fraction form
    77,064,510.08/106,246,143.39 = 61,222,160.01/x
  3. Step 3: Cross multiply
    77,064,510.08x = 106,246,143.39 × 61,222,160.01
  4. Step 4: Simplify right side
    77,064,510.08x = 6,504,618,390,899,144
  5. Step 5: Solve for x
    x = 6,504,618,390,899,144/77,064,510.08
  6. Step 6: Final answer
    x = 84,404,849.71

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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.