Home / 109,716,663.70-164,574,995.55-99,672,428.80

Finding the Fourth Proportional to 109,716,663.70, 164,574,995.55 and 99,672,428.80

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Solution

The fourth proportional to 109,716,663.70, 164,574,995.55 and 99,672,428.80 is: 149,508,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,716,663.70 : 164,574,995.55 = 99,672,428.80 : x
  2. Step 2: Convert to fraction form
    109,716,663.70/164,574,995.55 = 99,672,428.80/x
  3. Step 3: Cross multiply
    109,716,663.70x = 164,574,995.55 × 99,672,428.80
  4. Step 4: Simplify right side
    109,716,663.70x = 16,403,589,526,217,692
  5. Step 5: Solve for x
    x = 16,403,589,526,217,692/109,716,663.70
  6. Step 6: Final answer
    x = 149,508,643.20

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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.