Home / 101,241,032.82-151,916,834.31-42,939,642.30

Finding the Fourth Proportional to 101,241,032.82, 151,916,834.31 and 42,939,642.30

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Solution

The fourth proportional to 101,241,032.82, 151,916,834.31 and 42,939,642.30 is: 64,432,911.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,241,032.82 : 151,916,834.31 = 42,939,642.30 : x
  2. Step 2: Convert to fraction form
    101,241,032.82/151,916,834.31 = 42,939,642.30/x
  3. Step 3: Cross multiply
    101,241,032.82x = 151,916,834.31 × 42,939,642.30
  4. Step 4: Simplify right side
    101,241,032.82x = 6,523,254,524,619,767
  5. Step 5: Solve for x
    x = 6,523,254,524,619,767/101,241,032.82
  6. Step 6: Final answer
    x = 64,432,911.67

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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.