Home / 113,786,169.11-157,024,913.54-61,575,204.75

Finding the Fourth Proportional to 113,786,169.11, 157,024,913.54 and 61,575,204.75

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Solution

The fourth proportional to 113,786,169.11, 157,024,913.54 and 61,575,204.75 is: 84,973,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,786,169.11 : 157,024,913.54 = 61,575,204.75 : x
  2. Step 2: Convert to fraction form
    113,786,169.11/157,024,913.54 = 61,575,204.75/x
  3. Step 3: Cross multiply
    113,786,169.11x = 157,024,913.54 × 61,575,204.75
  4. Step 4: Simplify right side
    113,786,169.11x = 9,668,841,202,076,546
  5. Step 5: Solve for x
    x = 9,668,841,202,076,546/113,786,169.11
  6. Step 6: Final answer
    x = 84,973,782.65

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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.