Home / 525,311,616.40-787,967,424.60-161,758,733.20

Finding the Fourth Proportional to 525,311,616.40, 787,967,424.60 and 161,758,733.20

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Solution

The fourth proportional to 525,311,616.40, 787,967,424.60 and 161,758,733.20 is: 242,638,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,311,616.40 : 787,967,424.60 = 161,758,733.20 : x
  2. Step 2: Convert to fraction form
    525,311,616.40/787,967,424.60 = 161,758,733.20/x
  3. Step 3: Cross multiply
    525,311,616.40x = 787,967,424.60 × 161,758,733.20
  4. Step 4: Simplify right side
    525,311,616.40x = 127,460,612,406,162,512
  5. Step 5: Solve for x
    x = 127,460,612,406,162,512/525,311,616.40
  6. Step 6: Final answer
    x = 242,638,099.80

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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.