Home / 113,612,623.76-156,786,139.68-61,401,536.84

Finding the Fourth Proportional to 113,612,623.76, 156,786,139.68 and 61,401,536.84

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Solution

The fourth proportional to 113,612,623.76, 156,786,139.68 and 61,401,536.84 is: 84,734,509.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,612,623.76 : 156,786,139.68 = 61,401,536.84 : x
  2. Step 2: Convert to fraction form
    113,612,623.76/156,786,139.68 = 61,401,536.84/x
  3. Step 3: Cross multiply
    113,612,623.76x = 156,786,139.68 × 61,401,536.84
  4. Step 4: Simplify right side
    113,612,623.76x = 9,626,909,931,562,906
  5. Step 5: Solve for x
    x = 9,626,909,931,562,906/113,612,623.76
  6. Step 6: Final answer
    x = 84,734,509.36

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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.