Home / 89,831,964.30-134,496,004.05-87,312,540.30

Finding the Fourth Proportional to 89,831,964.30, 134,496,004.05 and 87,312,540.30

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Solution

The fourth proportional to 89,831,964.30, 134,496,004.05 and 87,312,540.30 is: 130,723,934.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,831,964.30 : 134,496,004.05 = 87,312,540.30 : x
  2. Step 2: Convert to fraction form
    89,831,964.30/134,496,004.05 = 87,312,540.30/x
  3. Step 3: Cross multiply
    89,831,964.30x = 134,496,004.05 × 87,312,540.30
  4. Step 4: Simplify right side
    89,831,964.30x = 11,743,187,773,804,588
  5. Step 5: Solve for x
    x = 11,743,187,773,804,588/89,831,964.30
  6. Step 6: Final answer
    x = 130,723,934.02

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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.