Home / 113,786,174.90-157,024,921.56-61,575,210.54

Finding the Fourth Proportional to 113,786,174.90, 157,024,921.56 and 61,575,210.54

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Solution

The fourth proportional to 113,786,174.90, 157,024,921.56 and 61,575,210.54 is: 84,973,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,786,174.90 : 157,024,921.56 = 61,575,210.54 : x
  2. Step 2: Convert to fraction form
    113,786,174.90/157,024,921.56 = 61,575,210.54/x
  3. Step 3: Cross multiply
    113,786,174.90x = 157,024,921.56 × 61,575,210.54
  4. Step 4: Simplify right side
    113,786,174.90x = 9,668,842,605,083,986
  5. Step 5: Solve for x
    x = 9,668,842,605,083,986/113,786,174.90
  6. Step 6: Final answer
    x = 84,973,790.65

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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.