Home / 111,851,784.91-154,360,252.10-62,292,158.43

Finding the Fourth Proportional to 111,851,784.91, 154,360,252.10 and 62,292,158.43

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Solution

The fourth proportional to 111,851,784.91, 154,360,252.10 and 62,292,158.43 is: 85,965,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,851,784.91 : 154,360,252.10 = 62,292,158.43 : x
  2. Step 2: Convert to fraction form
    111,851,784.91/154,360,252.10 = 62,292,158.43/x
  3. Step 3: Cross multiply
    111,851,784.91x = 154,360,252.10 × 62,292,158.43
  4. Step 4: Simplify right side
    111,851,784.91x = 9,615,433,279,107,940
  5. Step 5: Solve for x
    x = 9,615,433,279,107,940/111,851,784.91
  6. Step 6: Final answer
    x = 85,965,845.67

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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.