Home / 113,786,169.23-157,024,913.72-61,575,204.88

Finding the Fourth Proportional to 113,786,169.23, 157,024,913.72 and 61,575,204.88

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Solution

The fourth proportional to 113,786,169.23, 157,024,913.72 and 61,575,204.88 is: 84,973,782.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,786,169.23 : 157,024,913.72 = 61,575,204.88 : x
  2. Step 2: Convert to fraction form
    113,786,169.23/157,024,913.72 = 61,575,204.88/x
  3. Step 3: Cross multiply
    113,786,169.23x = 157,024,913.72 × 61,575,204.88
  4. Step 4: Simplify right side
    113,786,169.23x = 9,668,841,233,461,728
  5. Step 5: Solve for x
    x = 9,668,841,233,461,728/113,786,169.23
  6. Step 6: Final answer
    x = 84,973,782.83

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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.