Home / 223,325,920.80-334,989,002.70-69,983,978.40

Finding the Fourth Proportional to 223,325,920.80, 334,989,002.70 and 69,983,978.40

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Solution

The fourth proportional to 223,325,920.80, 334,989,002.70 and 69,983,978.40 is: 104,976,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,325,920.80 : 334,989,002.70 = 69,983,978.40 : x
  2. Step 2: Convert to fraction form
    223,325,920.80/334,989,002.70 = 69,983,978.40/x
  3. Step 3: Cross multiply
    223,325,920.80x = 334,989,002.70 × 69,983,978.40
  4. Step 4: Simplify right side
    223,325,920.80x = 23,443,863,129,194,344
  5. Step 5: Solve for x
    x = 23,443,863,129,194,344/223,325,920.80
  6. Step 6: Final answer
    x = 104,976,005.67

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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.