Home / 103,464,013.45-142,783,785.43-56,423,653.52

Finding the Fourth Proportional to 103,464,013.45, 142,783,785.43 and 56,423,653.52

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Solution

The fourth proportional to 103,464,013.45, 142,783,785.43 and 56,423,653.52 is: 77,866,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464,013.45 : 142,783,785.43 = 56,423,653.52 : x
  2. Step 2: Convert to fraction form
    103,464,013.45/142,783,785.43 = 56,423,653.52/x
  3. Step 3: Cross multiply
    103,464,013.45x = 142,783,785.43 × 56,423,653.52
  4. Step 4: Simplify right side
    103,464,013.45x = 8,056,382,836,838,468
  5. Step 5: Solve for x
    x = 8,056,382,836,838,468/103,464,013.45
  6. Step 6: Final answer
    x = 77,866,521.59

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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.