Home / 212,338,613.58-293,008,596.93-118,245,650.46

Finding the Fourth Proportional to 212,338,613.58, 293,008,596.93 and 118,245,650.46

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Solution

The fourth proportional to 212,338,613.58, 293,008,596.93 and 118,245,650.46 is: 163,168,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,338,613.58 : 293,008,596.93 = 118,245,650.46 : x
  2. Step 2: Convert to fraction form
    212,338,613.58/293,008,596.93 = 118,245,650.46/x
  3. Step 3: Cross multiply
    212,338,613.58x = 293,008,596.93 × 118,245,650.46
  4. Step 4: Simplify right side
    212,338,613.58x = 34,646,992,134,359,808
  5. Step 5: Solve for x
    x = 34,646,992,134,359,808/212,338,613.58
  6. Step 6: Final answer
    x = 163,168,589.78

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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.