Home / 147,094,830.58-203,000,085.03-81,015,315.70

Finding the Fourth Proportional to 147,094,830.58, 203,000,085.03 and 81,015,315.70

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Solution

The fourth proportional to 147,094,830.58, 203,000,085.03 and 81,015,315.70 is: 111,806,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,094,830.58 : 203,000,085.03 = 81,015,315.70 : x
  2. Step 2: Convert to fraction form
    147,094,830.58/203,000,085.03 = 81,015,315.70/x
  3. Step 3: Cross multiply
    147,094,830.58x = 203,000,085.03 × 81,015,315.70
  4. Step 4: Simplify right side
    147,094,830.58x = 16,446,115,975,627,794
  5. Step 5: Solve for x
    x = 16,446,115,975,627,794/147,094,830.58
  6. Step 6: Final answer
    x = 111,806,213.11

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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.