Home / 168,423,390.63-252,725,529.35-70,122,958

Finding the Fourth Proportional to 168,423,390.63, 252,725,529.35 and 70,122,958

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Solution

The fourth proportional to 168,423,390.63, 252,725,529.35 and 70,122,958 is: 105,222,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,423,390.63 : 252,725,529.35 = 70,122,958 : x
  2. Step 2: Convert to fraction form
    168,423,390.63/252,725,529.35 = 70,122,958/x
  3. Step 3: Cross multiply
    168,423,390.63x = 252,725,529.35 × 70,122,958
  4. Step 4: Simplify right side
    168,423,390.63x = 17,721,861,680,137,816
  5. Step 5: Solve for x
    x = 17,721,861,680,137,816/168,423,390.63
  6. Step 6: Final answer
    x = 105,222,093.05

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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.