Home / 242,638,429.20-363,957,643.80-106,589,533.20

Finding the Fourth Proportional to 242,638,429.20, 363,957,643.80 and 106,589,533.20

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Solution

The fourth proportional to 242,638,429.20, 363,957,643.80 and 106,589,533.20 is: 159,884,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,638,429.20 : 363,957,643.80 = 106,589,533.20 : x
  2. Step 2: Convert to fraction form
    242,638,429.20/363,957,643.80 = 106,589,533.20/x
  3. Step 3: Cross multiply
    242,638,429.20x = 363,957,643.80 × 106,589,533.20
  4. Step 4: Simplify right side
    242,638,429.20x = 38,794,075,357,213,880
  5. Step 5: Solve for x
    x = 38,794,075,357,213,880/242,638,429.20
  6. Step 6: Final answer
    x = 159,884,299.80

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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.