Home / 89,683,542.20-134,525,313.30-68,000,749.40

Finding the Fourth Proportional to 89,683,542.20, 134,525,313.30 and 68,000,749.40

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Solution

The fourth proportional to 89,683,542.20, 134,525,313.30 and 68,000,749.40 is: 102,001,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,683,542.20 : 134,525,313.30 = 68,000,749.40 : x
  2. Step 2: Convert to fraction form
    89,683,542.20/134,525,313.30 = 68,000,749.40/x
  3. Step 3: Cross multiply
    89,683,542.20x = 134,525,313.30 × 68,000,749.40
  4. Step 4: Simplify right side
    89,683,542.20x = 9,147,822,117,669,788
  5. Step 5: Solve for x
    x = 9,147,822,117,669,788/89,683,542.20
  6. Step 6: Final answer
    x = 102,001,124.10

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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.