Home / 99,670,211.70-149,505,317.55-93,611,784.30

Finding the Fourth Proportional to 99,670,211.70, 149,505,317.55 and 93,611,784.30

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Solution

The fourth proportional to 99,670,211.70, 149,505,317.55 and 93,611,784.30 is: 140,417,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,670,211.70 : 149,505,317.55 = 93,611,784.30 : x
  2. Step 2: Convert to fraction form
    99,670,211.70/149,505,317.55 = 93,611,784.30/x
  3. Step 3: Cross multiply
    99,670,211.70x = 149,505,317.55 × 93,611,784.30
  4. Step 4: Simplify right side
    99,670,211.70x = 13,995,459,538,193,606
  5. Step 5: Solve for x
    x = 13,995,459,538,193,606/99,670,211.70
  6. Step 6: Final answer
    x = 140,417,676.45

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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.