Home / 77,384,965.08-106,789,049.60-42,577,679.10

Finding the Fourth Proportional to 77,384,965.08, 106,789,049.60 and 42,577,679.10

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Solution

The fourth proportional to 77,384,965.08, 106,789,049.60 and 42,577,679.10 is: 58,755,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,384,965.08 : 106,789,049.60 = 42,577,679.10 : x
  2. Step 2: Convert to fraction form
    77,384,965.08/106,789,049.60 = 42,577,679.10/x
  3. Step 3: Cross multiply
    77,384,965.08x = 106,789,049.60 × 42,577,679.10
  4. Step 4: Simplify right side
    77,384,965.08x = 4,546,829,885,262,783
  5. Step 5: Solve for x
    x = 4,546,829,885,262,783/77,384,965.08
  6. Step 6: Final answer
    x = 58,755,985.49

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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.