Home / 113,786,173.65-157,024,919.84-61,575,209.29

Finding the Fourth Proportional to 113,786,173.65, 157,024,919.84 and 61,575,209.29

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Solution

The fourth proportional to 113,786,173.65, 157,024,919.84 and 61,575,209.29 is: 84,973,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,786,173.65 : 157,024,919.84 = 61,575,209.29 : x
  2. Step 2: Convert to fraction form
    113,786,173.65/157,024,919.84 = 61,575,209.29/x
  3. Step 3: Cross multiply
    113,786,173.65x = 157,024,919.84 × 61,575,209.29
  4. Step 4: Simplify right side
    113,786,173.65x = 9,668,842,302,193,036
  5. Step 5: Solve for x
    x = 9,668,842,302,193,036/113,786,173.65
  6. Step 6: Final answer
    x = 84,973,788.92

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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.