Home / 93,312,078.70-139,968,118.05-82,352,584.30

Finding the Fourth Proportional to 93,312,078.70, 139,968,118.05 and 82,352,584.30

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Solution

The fourth proportional to 93,312,078.70, 139,968,118.05 and 82,352,584.30 is: 123,528,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,078.70 : 139,968,118.05 = 82,352,584.30 : x
  2. Step 2: Convert to fraction form
    93,312,078.70/139,968,118.05 = 82,352,584.30/x
  3. Step 3: Cross multiply
    93,312,078.70x = 139,968,118.05 × 82,352,584.30
  4. Step 4: Simplify right side
    93,312,078.70x = 11,526,736,241,024,978
  5. Step 5: Solve for x
    x = 11,526,736,241,024,978/93,312,078.70
  6. Step 6: Final answer
    x = 123,528,876.45

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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.