Home / 173,627,688,846.42-260,352,108,748.34-77,931,669,867.75

Finding the Fourth Proportional to 173,627,688,846.42, 260,352,108,748.34 and 77,931,669,867.75

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Solution

The fourth proportional to 173,627,688,846.42, 260,352,108,748.34 and 77,931,669,867.75 is: 116,857,367,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,627,688,846.42 : 260,352,108,748.34 = 77,931,669,867.75 : x
  2. Step 2: Convert to fraction form
    173,627,688,846.42/260,352,108,748.34 = 77,931,669,867.75/x
  3. Step 3: Cross multiply
    173,627,688,846.42x = 260,352,108,748.34 × 77,931,669,867.75
  4. Step 4: Simplify right side
    173,627,688,846.42x = 20,289,674,588,348,179,546,112
  5. Step 5: Solve for x
    x = 20,289,674,588,348,179,546,112/173,627,688,846.42
  6. Step 6: Final answer
    x = 116,857,367,181.19

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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.