Home / 239,949,675.52-331,036,803.44-139,461,415.72

Finding the Fourth Proportional to 239,949,675.52, 331,036,803.44 and 139,461,415.72

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Solution

The fourth proportional to 239,949,675.52, 331,036,803.44 and 139,461,415.72 is: 192,402,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,949,675.52 : 331,036,803.44 = 139,461,415.72 : x
  2. Step 2: Convert to fraction form
    239,949,675.52/331,036,803.44 = 139,461,415.72/x
  3. Step 3: Cross multiply
    239,949,675.52x = 331,036,803.44 × 139,461,415.72
  4. Step 4: Simplify right side
    239,949,675.52x = 46,166,861,263,165,768
  5. Step 5: Solve for x
    x = 46,166,861,263,165,768/239,949,675.52
  6. Step 6: Final answer
    x = 192,402,265.86

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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.