Home / 103,368,339.70-142,651,351.60-56,961,582.98

Finding the Fourth Proportional to 103,368,339.70, 142,651,351.60 and 56,961,582.98

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Solution

The fourth proportional to 103,368,339.70, 142,651,351.60 and 56,961,582.98 is: 78,608,661.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,368,339.70 : 142,651,351.60 = 56,961,582.98 : x
  2. Step 2: Convert to fraction form
    103,368,339.70/142,651,351.60 = 56,961,582.98/x
  3. Step 3: Cross multiply
    103,368,339.70x = 142,651,351.60 × 56,961,582.98
  4. Step 4: Simplify right side
    103,368,339.70x = 8,125,646,800,516,895
  5. Step 5: Solve for x
    x = 8,125,646,800,516,895/103,368,339.70
  6. Step 6: Final answer
    x = 78,608,661.26

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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.