Home / 93,312,010.30-139,968,015.45-80,546,928.70

Finding the Fourth Proportional to 93,312,010.30, 139,968,015.45 and 80,546,928.70

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Solution

The fourth proportional to 93,312,010.30, 139,968,015.45 and 80,546,928.70 is: 120,820,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,010.30 : 139,968,015.45 = 80,546,928.70 : x
  2. Step 2: Convert to fraction form
    93,312,010.30/139,968,015.45 = 80,546,928.70/x
  3. Step 3: Cross multiply
    93,312,010.30x = 139,968,015.45 × 80,546,928.70
  4. Step 4: Simplify right side
    93,312,010.30x = 11,273,993,760,731,648
  5. Step 5: Solve for x
    x = 11,273,993,760,731,648/93,312,010.30
  6. Step 6: Final answer
    x = 120,820,393.05

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1.5x scale

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.