Home / 239,507,592.45-330,518,552.40-139,045,351.47

Finding the Fourth Proportional to 239,507,592.45, 330,518,552.40 and 139,045,351.47

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Solution

The fourth proportional to 239,507,592.45, 330,518,552.40 and 139,045,351.47 is: 191,881,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,507,592.45 : 330,518,552.40 = 139,045,351.47 : x
  2. Step 2: Convert to fraction form
    239,507,592.45/330,518,552.40 = 139,045,351.47/x
  3. Step 3: Cross multiply
    239,507,592.45x = 330,518,552.40 × 139,045,351.47
  4. Step 4: Simplify right side
    239,507,592.45x = 45,957,068,285,813,608
  5. Step 5: Solve for x
    x = 45,957,068,285,813,608/239,507,592.45
  6. Step 6: Final answer
    x = 191,881,467.37

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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.