Home / 113,612,628.26-156,786,145.90-61,401,541.34

Finding the Fourth Proportional to 113,612,628.26, 156,786,145.90 and 61,401,541.34

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Solution

The fourth proportional to 113,612,628.26, 156,786,145.90 and 61,401,541.34 is: 84,734,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,612,628.26 : 156,786,145.90 = 61,401,541.34 : x
  2. Step 2: Convert to fraction form
    113,612,628.26/156,786,145.90 = 61,401,541.34/x
  3. Step 3: Cross multiply
    113,612,628.26x = 156,786,145.90 × 61,401,541.34
  4. Step 4: Simplify right side
    113,612,628.26x = 9,626,911,019,018,122
  5. Step 5: Solve for x
    x = 9,626,911,019,018,122/113,612,628.26
  6. Step 6: Final answer
    x = 84,734,515.58

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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.