Home / 77,031,596.43-106,241,618.70-67,719,255.45

Finding the Fourth Proportional to 77,031,596.43, 106,241,618.70 and 67,719,255.45

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Solution

The fourth proportional to 77,031,596.43, 106,241,618.70 and 67,719,255.45 is: 93,398,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,031,596.43 : 106,241,618.70 = 67,719,255.45 : x
  2. Step 2: Convert to fraction form
    77,031,596.43/106,241,618.70 = 67,719,255.45/x
  3. Step 3: Cross multiply
    77,031,596.43x = 106,241,618.70 × 67,719,255.45
  4. Step 4: Simplify right side
    77,031,596.43x = 7,194,603,316,166,797
  5. Step 5: Solve for x
    x = 7,194,603,316,166,797/77,031,596.43
  6. Step 6: Final answer
    x = 93,398,081.43

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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.