Home / 103,377,098.40-142,661,339.28-56,969,017.44

Finding the Fourth Proportional to 103,377,098.40, 142,661,339.28 and 56,969,017.44

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Solution

The fourth proportional to 103,377,098.40, 142,661,339.28 and 56,969,017.44 is: 78,617,764.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,377,098.40 : 142,661,339.28 = 56,969,017.44 : x
  2. Step 2: Convert to fraction form
    103,377,098.40/142,661,339.28 = 56,969,017.44/x
  3. Step 3: Cross multiply
    103,377,098.40x = 142,661,339.28 × 56,969,017.44
  4. Step 4: Simplify right side
    103,377,098.40x = 8,127,276,325,456,077
  5. Step 5: Solve for x
    x = 8,127,276,325,456,077/103,377,098.40
  6. Step 6: Final answer
    x = 78,617,764.00

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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.