Home / 142,150,669.74-213,239,017.26-39,914,018.46

Finding the Fourth Proportional to 142,150,669.74, 213,239,017.26 and 39,914,018.46

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Solution

The fourth proportional to 142,150,669.74, 213,239,017.26 and 39,914,018.46 is: 59,874,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,150,669.74 : 213,239,017.26 = 39,914,018.46 : x
  2. Step 2: Convert to fraction form
    142,150,669.74/213,239,017.26 = 39,914,018.46/x
  3. Step 3: Cross multiply
    142,150,669.74x = 213,239,017.26 × 39,914,018.46
  4. Step 4: Simplify right side
    142,150,669.74x = 8,511,226,071,307,898
  5. Step 5: Solve for x
    x = 8,511,226,071,307,898/142,150,669.74
  6. Step 6: Final answer
    x = 59,874,681.47

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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.