Home / 113,811,217.52-157,059,467.16-61,600,243.28

Finding the Fourth Proportional to 113,811,217.52, 157,059,467.16 and 61,600,243.28

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Solution

The fourth proportional to 113,811,217.52, 157,059,467.16 and 61,600,243.28 is: 85,008,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,811,217.52 : 157,059,467.16 = 61,600,243.28 : x
  2. Step 2: Convert to fraction form
    113,811,217.52/157,059,467.16 = 61,600,243.28/x
  3. Step 3: Cross multiply
    113,811,217.52x = 157,059,467.16 × 61,600,243.28
  4. Step 4: Simplify right side
    113,811,217.52x = 9,674,901,386,483,170
  5. Step 5: Solve for x
    x = 9,674,901,386,483,170/113,811,217.52
  6. Step 6: Final answer
    x = 85,008,328.68

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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.