Home / 90,151,228,329.90-135,253,014,741.45-36,340,593,812.70

Finding the Fourth Proportional to 90,151,228,329.90, 135,253,014,741.45 and 36,340,593,812.70

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Solution

The fourth proportional to 90,151,228,329.90, 135,253,014,741.45 and 36,340,593,812.70 is: 54,521,440,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,151,228,329.90 : 135,253,014,741.45 = 36,340,593,812.70 : x
  2. Step 2: Convert to fraction form
    90,151,228,329.90/135,253,014,741.45 = 36,340,593,812.70/x
  3. Step 3: Cross multiply
    90,151,228,329.90x = 135,253,014,741.45 × 36,340,593,812.70
  4. Step 4: Simplify right side
    90,151,228,329.90x = 4,915,174,870,662,159,269,888
  5. Step 5: Solve for x
    x = 4,915,174,870,662,159,269,888/90,151,228,329.90
  6. Step 6: Final answer
    x = 54,521,440,935.62

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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.