Home / 239,507,599.95-330,518,562.75-139,045,358.97

Finding the Fourth Proportional to 239,507,599.95, 330,518,562.75 and 139,045,358.97

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Solution

The fourth proportional to 239,507,599.95, 330,518,562.75 and 139,045,358.97 is: 191,881,477.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,507,599.95 : 330,518,562.75 = 139,045,358.97 : x
  2. Step 2: Convert to fraction form
    239,507,599.95/330,518,562.75 = 139,045,358.97/x
  3. Step 3: Cross multiply
    239,507,599.95x = 330,518,562.75 × 139,045,358.97
  4. Step 4: Simplify right side
    239,507,599.95x = 45,957,072,203,822,216
  5. Step 5: Solve for x
    x = 45,957,072,203,822,216/239,507,599.95
  6. Step 6: Final answer
    x = 191,881,477.72

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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.