Home / 103,678,983.51-155,517,410.06-59,931,905.97

Finding the Fourth Proportional to 103,678,983.51, 155,517,410.06 and 59,931,905.97

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Solution

The fourth proportional to 103,678,983.51, 155,517,410.06 and 59,931,905.97 is: 89,897,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,678,983.51 : 155,517,410.06 = 59,931,905.97 : x
  2. Step 2: Convert to fraction form
    103,678,983.51/155,517,410.06 = 59,931,905.97/x
  3. Step 3: Cross multiply
    103,678,983.51x = 155,517,410.06 × 59,931,905.97
  4. Step 4: Simplify right side
    103,678,983.51x = 9,320,454,796,413,852
  5. Step 5: Solve for x
    x = 9,320,454,796,413,852/103,678,983.51
  6. Step 6: Final answer
    x = 89,897,243.21

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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.