Home / 113,786,320.96-157,025,122.86-61,575,357.16

Finding the Fourth Proportional to 113,786,320.96, 157,025,122.86 and 61,575,357.16

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Solution

The fourth proportional to 113,786,320.96, 157,025,122.86 and 61,575,357.16 is: 84,973,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,786,320.96 : 157,025,122.86 = 61,575,357.16 : x
  2. Step 2: Convert to fraction form
    113,786,320.96/157,025,122.86 = 61,575,357.16/x
  3. Step 3: Cross multiply
    113,786,320.96x = 157,025,122.86 × 61,575,357.16
  4. Step 4: Simplify right side
    113,786,320.96x = 9,668,878,023,197,380
  5. Step 5: Solve for x
    x = 9,668,878,023,197,380/113,786,320.96
  6. Step 6: Final answer
    x = 84,973,992.85

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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.