Home / 103,462,936.80-142,782,298.56-56,422,583.52

Finding the Fourth Proportional to 103,462,936.80, 142,782,298.56 and 56,422,583.52

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Solution

The fourth proportional to 103,462,936.80, 142,782,298.56 and 56,422,583.52 is: 77,865,044.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,462,936.80 : 142,782,298.56 = 56,422,583.52 : x
  2. Step 2: Convert to fraction form
    103,462,936.80/142,782,298.56 = 56,422,583.52/x
  3. Step 3: Cross multiply
    103,462,936.80x = 142,782,298.56 × 56,422,583.52
  4. Step 4: Simplify right side
    103,462,936.80x = 8,056,146,165,679,176
  5. Step 5: Solve for x
    x = 8,056,146,165,679,176/103,462,936.80
  6. Step 6: Final answer
    x = 77,865,044.38

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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.