Home / 84,049,011.26-126,111,823.81-43,137,180.59

Finding the Fourth Proportional to 84,049,011.26, 126,111,823.81 and 43,137,180.59

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Solution

The fourth proportional to 84,049,011.26, 126,111,823.81 and 43,137,180.59 is: 64,725,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,049,011.26 : 126,111,823.81 = 43,137,180.59 : x
  2. Step 2: Convert to fraction form
    84,049,011.26/126,111,823.81 = 43,137,180.59/x
  3. Step 3: Cross multiply
    84,049,011.26x = 126,111,823.81 × 43,137,180.59
  4. Step 4: Simplify right side
    84,049,011.26x = 5,440,108,518,433,669
  5. Step 5: Solve for x
    x = 5,440,108,518,433,669/84,049,011.26
  6. Step 6: Final answer
    x = 64,725,431.47

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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.