Home / 120,227,987,570.38-180,185,099,972.26-67,166,877,396.94

Finding the Fourth Proportional to 120,227,987,570.38, 180,185,099,972.26 and 67,166,877,396.94

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Solution

The fourth proportional to 120,227,987,570.38, 180,185,099,972.26 and 67,166,877,396.94 is: 100,662,672,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,227,987,570.38 : 180,185,099,972.26 = 67,166,877,396.94 : x
  2. Step 2: Convert to fraction form
    120,227,987,570.38/180,185,099,972.26 = 67,166,877,396.94/x
  3. Step 3: Cross multiply
    120,227,987,570.38x = 180,185,099,972.26 × 67,166,877,396.94
  4. Step 4: Simplify right side
    120,227,987,570.38x = 12,102,470,518,592,166,166,528
  5. Step 5: Solve for x
    x = 12,102,470,518,592,166,166,528/120,227,987,570.38
  6. Step 6: Final answer
    x = 100,662,672,337.48

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1.5x scale

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.