Home / 113,786,173.40-157,024,919.49-61,575,209.03

Finding the Fourth Proportional to 113,786,173.40, 157,024,919.49 and 61,575,209.03

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Solution

The fourth proportional to 113,786,173.40, 157,024,919.49 and 61,575,209.03 is: 84,973,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,786,173.40 : 157,024,919.49 = 61,575,209.03 : x
  2. Step 2: Convert to fraction form
    113,786,173.40/157,024,919.49 = 61,575,209.03/x
  3. Step 3: Cross multiply
    113,786,173.40x = 157,024,919.49 × 61,575,209.03
  4. Step 4: Simplify right side
    113,786,173.40x = 9,668,842,240,207,796
  5. Step 5: Solve for x
    x = 9,668,842,240,207,796/113,786,173.40
  6. Step 6: Final answer
    x = 84,973,788.57

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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.