Home / 79,883,447.91-119,725,143.49-42,904,463.64

Finding the Fourth Proportional to 79,883,447.91, 119,725,143.49 and 42,904,463.64

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Solution

The fourth proportional to 79,883,447.91, 119,725,143.49 and 42,904,463.64 is: 64,302,971.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,883,447.91 : 119,725,143.49 = 42,904,463.64 : x
  2. Step 2: Convert to fraction form
    79,883,447.91/119,725,143.49 = 42,904,463.64/x
  3. Step 3: Cross multiply
    79,883,447.91x = 119,725,143.49 × 42,904,463.64
  4. Step 4: Simplify right side
    79,883,447.91x = 5,136,743,065,265,148
  5. Step 5: Solve for x
    x = 5,136,743,065,265,148/79,883,447.91
  6. Step 6: Final answer
    x = 64,302,971.39

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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.