Home / 103,462,937.80-142,782,299.94-56,422,584.52

Finding the Fourth Proportional to 103,462,937.80, 142,782,299.94 and 56,422,584.52

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Solution

The fourth proportional to 103,462,937.80, 142,782,299.94 and 56,422,584.52 is: 77,865,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,462,937.80 : 142,782,299.94 = 56,422,584.52 : x
  2. Step 2: Convert to fraction form
    103,462,937.80/142,782,299.94 = 56,422,584.52/x
  3. Step 3: Cross multiply
    103,462,937.80x = 142,782,299.94 × 56,422,584.52
  4. Step 4: Simplify right side
    103,462,937.80x = 8,056,146,386,324,641
  5. Step 5: Solve for x
    x = 8,056,146,386,324,641/103,462,937.80
  6. Step 6: Final answer
    x = 77,865,045.76

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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.