Home / 119,355,865.20-164,650,802.69-69,763,839.30

Finding the Fourth Proportional to 119,355,865.20, 164,650,802.69 and 69,763,839.30

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Solution

The fourth proportional to 119,355,865.20, 164,650,802.69 and 69,763,839.30 is: 96,238,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,355,865.20 : 164,650,802.69 = 69,763,839.30 : x
  2. Step 2: Convert to fraction form
    119,355,865.20/164,650,802.69 = 69,763,839.30/x
  3. Step 3: Cross multiply
    119,355,865.20x = 164,650,802.69 × 69,763,839.30
  4. Step 4: Simplify right side
    119,355,865.20x = 11,486,672,139,655,576
  5. Step 5: Solve for x
    x = 11,486,672,139,655,576/119,355,865.20
  6. Step 6: Final answer
    x = 96,238,857.81

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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.