Home / 109,578,082.69-164,629,342.77-70,263,362.69

Finding the Fourth Proportional to 109,578,082.69, 164,629,342.77 and 70,263,362.69

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Solution

The fourth proportional to 109,578,082.69, 164,629,342.77 and 70,263,362.69 is: 105,563,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,578,082.69 : 164,629,342.77 = 70,263,362.69 : x
  2. Step 2: Convert to fraction form
    109,578,082.69/164,629,342.77 = 70,263,362.69/x
  3. Step 3: Cross multiply
    109,578,082.69x = 164,629,342.77 × 70,263,362.69
  4. Step 4: Simplify right side
    109,578,082.69x = 11,567,411,220,464,840
  5. Step 5: Solve for x
    x = 11,567,411,220,464,840/109,578,082.69
  6. Step 6: Final answer
    x = 105,563,183.23

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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.