Home / 117,234,033.89-161,802,332.87-65,039,884.67

Finding the Fourth Proportional to 117,234,033.89, 161,802,332.87 and 65,039,884.67

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Solution

The fourth proportional to 117,234,033.89, 161,802,332.87 and 65,039,884.67 is: 89,765,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,234,033.89 : 161,802,332.87 = 65,039,884.67 : x
  2. Step 2: Convert to fraction form
    117,234,033.89/161,802,332.87 = 65,039,884.67/x
  3. Step 3: Cross multiply
    117,234,033.89x = 161,802,332.87 × 65,039,884.67
  4. Step 4: Simplify right side
    117,234,033.89x = 10,523,605,069,281,058
  5. Step 5: Solve for x
    x = 10,523,605,069,281,058/117,234,033.89
  6. Step 6: Final answer
    x = 89,765,784.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.