Home / 101,376,656.40-152,064,984.60-100,480,861.20

Finding the Fourth Proportional to 101,376,656.40, 152,064,984.60 and 100,480,861.20

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Solution

The fourth proportional to 101,376,656.40, 152,064,984.60 and 100,480,861.20 is: 150,721,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,376,656.40 : 152,064,984.60 = 100,480,861.20 : x
  2. Step 2: Convert to fraction form
    101,376,656.40/152,064,984.60 = 100,480,861.20/x
  3. Step 3: Cross multiply
    101,376,656.40x = 152,064,984.60 × 100,480,861.20
  4. Step 4: Simplify right side
    101,376,656.40x = 15,279,620,610,972,738
  5. Step 5: Solve for x
    x = 15,279,620,610,972,738/101,376,656.40
  6. Step 6: Final answer
    x = 150,721,291.80

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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.