Home / 223,045,905.20-334,438,950-86,571,856.40

Finding the Fourth Proportional to 223,045,905.20, 334,438,950 and 86,571,856.40

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Solution

The fourth proportional to 223,045,905.20, 334,438,950 and 86,571,856.40 is: 129,807,362.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,045,905.20 : 334,438,950 = 86,571,856.40 : x
  2. Step 2: Convert to fraction form
    223,045,905.20/334,438,950 = 86,571,856.40/x
  3. Step 3: Cross multiply
    223,045,905.20x = 334,438,950 × 86,571,856.40
  4. Step 4: Simplify right side
    223,045,905.20x = 28,953,000,753,966,780
  5. Step 5: Solve for x
    x = 28,953,000,753,966,780/223,045,905.20
  6. Step 6: Final answer
    x = 129,807,362.87

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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.