Home / 102,955,400.70-154,453,837.05-30,172,040.70

Finding the Fourth Proportional to 102,955,400.70, 154,453,837.05 and 30,172,040.70

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Solution

The fourth proportional to 102,955,400.70, 154,453,837.05 and 30,172,040.70 is: 45,264,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,955,400.70 : 154,453,837.05 = 30,172,040.70 : x
  2. Step 2: Convert to fraction form
    102,955,400.70/154,453,837.05 = 30,172,040.70/x
  3. Step 3: Cross multiply
    102,955,400.70x = 154,453,837.05 × 30,172,040.70
  4. Step 4: Simplify right side
    102,955,400.70x = 4,660,187,457,743,768
  5. Step 5: Solve for x
    x = 4,660,187,457,743,768/102,955,400.70
  6. Step 6: Final answer
    x = 45,264,137.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.