Home / 309,432,709.92-464,152,710.40-122,732,180

Finding the Fourth Proportional to 309,432,709.92, 464,152,710.40 and 122,732,180

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Solution

The fourth proportional to 309,432,709.92, 464,152,710.40 and 122,732,180 is: 184,099,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,432,709.92 : 464,152,710.40 = 122,732,180 : x
  2. Step 2: Convert to fraction form
    309,432,709.92/464,152,710.40 = 122,732,180/x
  3. Step 3: Cross multiply
    309,432,709.92x = 464,152,710.40 × 122,732,180
  4. Step 4: Simplify right side
    309,432,709.92x = 56,966,474,000,300,672
  5. Step 5: Solve for x
    x = 56,966,474,000,300,672/309,432,709.92
  6. Step 6: Final answer
    x = 184,099,715.94

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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.