Home / 191,991,618-288,043,198.74-69,167,598.48

Finding the Fourth Proportional to 191,991,618, 288,043,198.74 and 69,167,598.48

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Solution

The fourth proportional to 191,991,618, 288,043,198.74 and 69,167,598.48 is: 103,771,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,991,618 : 288,043,198.74 = 69,167,598.48 : x
  2. Step 2: Convert to fraction form
    191,991,618/288,043,198.74 = 69,167,598.48/x
  3. Step 3: Cross multiply
    191,991,618x = 288,043,198.74 × 69,167,598.48
  4. Step 4: Simplify right side
    191,991,618x = 19,923,256,315,343,164
  5. Step 5: Solve for x
    x = 19,923,256,315,343,164/191,991,618
  6. Step 6: Final answer
    x = 103,771,490.25

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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.