Home / 113,135,115.07-156,121,424.76-66,096,550.45

Finding the Fourth Proportional to 113,135,115.07, 156,121,424.76 and 66,096,550.45

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Solution

The fourth proportional to 113,135,115.07, 156,121,424.76 and 66,096,550.45 is: 91,210,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,135,115.07 : 156,121,424.76 = 66,096,550.45 : x
  2. Step 2: Convert to fraction form
    113,135,115.07/156,121,424.76 = 66,096,550.45/x
  3. Step 3: Cross multiply
    113,135,115.07x = 156,121,424.76 × 66,096,550.45
  4. Step 4: Simplify right side
    113,135,115.07x = 10,319,087,627,975,218
  5. Step 5: Solve for x
    x = 10,319,087,627,975,218/113,135,115.07
  6. Step 6: Final answer
    x = 91,210,298.60

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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.