Home / 93,312,091.80-139,968,137.70-87,638,722.20

Finding the Fourth Proportional to 93,312,091.80, 139,968,137.70 and 87,638,722.20

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Solution

The fourth proportional to 93,312,091.80, 139,968,137.70 and 87,638,722.20 is: 131,458,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,091.80 : 139,968,137.70 = 87,638,722.20 : x
  2. Step 2: Convert to fraction form
    93,312,091.80/139,968,137.70 = 87,638,722.20/x
  3. Step 3: Cross multiply
    93,312,091.80x = 139,968,137.70 × 87,638,722.20
  4. Step 4: Simplify right side
    93,312,091.80x = 12,266,628,736,741,646
  5. Step 5: Solve for x
    x = 12,266,628,736,741,646/93,312,091.80
  6. Step 6: Final answer
    x = 131,458,083.30

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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.