Home / 223,074,129.20-334,611,193.80-69,719,939.60

Finding the Fourth Proportional to 223,074,129.20, 334,611,193.80 and 69,719,939.60

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Solution

The fourth proportional to 223,074,129.20, 334,611,193.80 and 69,719,939.60 is: 104,579,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,074,129.20 : 334,611,193.80 = 69,719,939.60 : x
  2. Step 2: Convert to fraction form
    223,074,129.20/334,611,193.80 = 69,719,939.60/x
  3. Step 3: Cross multiply
    223,074,129.20x = 334,611,193.80 × 69,719,939.60
  4. Step 4: Simplify right side
    223,074,129.20x = 23,329,072,221,219,892
  5. Step 5: Solve for x
    x = 23,329,072,221,219,892/223,074,129.20
  6. Step 6: Final answer
    x = 104,579,909.40

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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.