Home / 103,368,358.85-142,651,377.99-56,961,602.10

Finding the Fourth Proportional to 103,368,358.85, 142,651,377.99 and 56,961,602.10

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Solution

The fourth proportional to 103,368,358.85, 142,651,377.99 and 56,961,602.10 is: 78,608,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,368,358.85 : 142,651,377.99 = 56,961,602.10 : x
  2. Step 2: Convert to fraction form
    103,368,358.85/142,651,377.99 = 56,961,602.10/x
  3. Step 3: Cross multiply
    103,368,358.85x = 142,651,377.99 × 56,961,602.10
  4. Step 4: Simplify right side
    103,368,358.85x = 8,125,651,032,083,079
  5. Step 5: Solve for x
    x = 8,125,651,032,083,079/103,368,358.85
  6. Step 6: Final answer
    x = 78,608,687.64

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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.