Home / 252,223,239.20-378,334,858.80-137,163,322.40

Finding the Fourth Proportional to 252,223,239.20, 378,334,858.80 and 137,163,322.40

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Solution

The fourth proportional to 252,223,239.20, 378,334,858.80 and 137,163,322.40 is: 205,744,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,223,239.20 : 378,334,858.80 = 137,163,322.40 : x
  2. Step 2: Convert to fraction form
    252,223,239.20/378,334,858.80 = 137,163,322.40/x
  3. Step 3: Cross multiply
    252,223,239.20x = 378,334,858.80 × 137,163,322.40
  4. Step 4: Simplify right side
    252,223,239.20x = 51,893,666,212,742,880
  5. Step 5: Solve for x
    x = 51,893,666,212,742,880/252,223,239.20
  6. Step 6: Final answer
    x = 205,744,983.60

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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.