Home / 167,329,970.40-251,498,840.40-145,159,039.20

Finding the Fourth Proportional to 167,329,970.40, 251,498,840.40 and 145,159,039.20

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Solution

The fourth proportional to 167,329,970.40, 251,498,840.40 and 145,159,039.20 is: 218,175,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,329,970.40 : 251,498,840.40 = 145,159,039.20 : x
  2. Step 2: Convert to fraction form
    167,329,970.40/251,498,840.40 = 145,159,039.20/x
  3. Step 3: Cross multiply
    167,329,970.40x = 251,498,840.40 × 145,159,039.20
  4. Step 4: Simplify right side
    167,329,970.40x = 36,507,330,032,378,144
  5. Step 5: Solve for x
    x = 36,507,330,032,378,144/167,329,970.40
  6. Step 6: Final answer
    x = 218,175,679.74

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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.