Home / 93,312,008.20-139,968,012.30-84,242,081.80

Finding the Fourth Proportional to 93,312,008.20, 139,968,012.30 and 84,242,081.80

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Solution

The fourth proportional to 93,312,008.20, 139,968,012.30 and 84,242,081.80 is: 126,363,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,008.20 : 139,968,012.30 = 84,242,081.80 : x
  2. Step 2: Convert to fraction form
    93,312,008.20/139,968,012.30 = 84,242,081.80/x
  3. Step 3: Cross multiply
    93,312,008.20x = 139,968,012.30 × 84,242,081.80
  4. Step 4: Simplify right side
    93,312,008.20x = 11,791,196,741,560,006
  5. Step 5: Solve for x
    x = 11,791,196,741,560,006/93,312,008.20
  6. Step 6: Final answer
    x = 126,363,122.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.