Home / 189,444,020.34-261,432,745.79-102,523,892.34

Finding the Fourth Proportional to 189,444,020.34, 261,432,745.79 and 102,523,892.34

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Solution

The fourth proportional to 189,444,020.34, 261,432,745.79 and 102,523,892.34 is: 141,482,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,444,020.34 : 261,432,745.79 = 102,523,892.34 : x
  2. Step 2: Convert to fraction form
    189,444,020.34/261,432,745.79 = 102,523,892.34/x
  3. Step 3: Cross multiply
    189,444,020.34x = 261,432,745.79 × 102,523,892.34
  4. Step 4: Simplify right side
    189,444,020.34x = 26,803,102,683,011,928
  5. Step 5: Solve for x
    x = 26,803,102,683,011,928/189,444,020.34
  6. Step 6: Final answer
    x = 141,482,970.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.