Home / 111,148,031.20-166,722,046.80-34,478,809.60

Finding the Fourth Proportional to 111,148,031.20, 166,722,046.80 and 34,478,809.60

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Solution

The fourth proportional to 111,148,031.20, 166,722,046.80 and 34,478,809.60 is: 51,718,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,148,031.20 : 166,722,046.80 = 34,478,809.60 : x
  2. Step 2: Convert to fraction form
    111,148,031.20/166,722,046.80 = 34,478,809.60/x
  3. Step 3: Cross multiply
    111,148,031.20x = 166,722,046.80 × 34,478,809.60
  4. Step 4: Simplify right side
    111,148,031.20x = 5,748,377,707,739,490
  5. Step 5: Solve for x
    x = 5,748,377,707,739,490/111,148,031.20
  6. Step 6: Final answer
    x = 51,718,214.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.