Home / 69,984,645.12-96,578,870.40-39,044,819.16

Finding the Fourth Proportional to 69,984,645.12, 96,578,870.40 and 39,044,819.16

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Solution

The fourth proportional to 69,984,645.12, 96,578,870.40 and 39,044,819.16 is: 53,881,883.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,645.12 : 96,578,870.40 = 39,044,819.16 : x
  2. Step 2: Convert to fraction form
    69,984,645.12/96,578,870.40 = 39,044,819.16/x
  3. Step 3: Cross multiply
    69,984,645.12x = 96,578,870.40 × 39,044,819.16
  4. Step 4: Simplify right side
    69,984,645.12x = 3,770,904,529,445,077
  5. Step 5: Solve for x
    x = 3,770,904,529,445,077/69,984,645.12
  6. Step 6: Final answer
    x = 53,881,883.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.