Home / 93,312,091.80-139,968,137.70-66,102,312.60

Finding the Fourth Proportional to 93,312,091.80, 139,968,137.70 and 66,102,312.60

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Solution

The fourth proportional to 93,312,091.80, 139,968,137.70 and 66,102,312.60 is: 99,153,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,091.80 : 139,968,137.70 = 66,102,312.60 : x
  2. Step 2: Convert to fraction form
    93,312,091.80/139,968,137.70 = 66,102,312.60/x
  3. Step 3: Cross multiply
    93,312,091.80x = 139,968,137.70 × 66,102,312.60
  4. Step 4: Simplify right side
    93,312,091.80x = 9,252,217,592,285,244
  5. Step 5: Solve for x
    x = 9,252,217,592,285,244/93,312,091.80
  6. Step 6: Final answer
    x = 99,153,468.90

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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.