Home / 103,367,369.70-142,640,542.89-56,955,026.34

Finding the Fourth Proportional to 103,367,369.70, 142,640,542.89 and 56,955,026.34

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Solution

The fourth proportional to 103,367,369.70, 142,640,542.89 and 56,955,026.34 is: 78,594,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,367,369.70 : 142,640,542.89 = 56,955,026.34 : x
  2. Step 2: Convert to fraction form
    103,367,369.70/142,640,542.89 = 56,955,026.34/x
  3. Step 3: Cross multiply
    103,367,369.70x = 142,640,542.89 × 56,955,026.34
  4. Step 4: Simplify right side
    103,367,369.70x = 8,124,095,877,451,849
  5. Step 5: Solve for x
    x = 8,124,095,877,451,849/103,367,369.70
  6. Step 6: Final answer
    x = 78,594,394.93

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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.