Home / 104,012,726.40-143,468,448.35-66,889,940.67

Finding the Fourth Proportional to 104,012,726.40, 143,468,448.35 and 66,889,940.67

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Solution

The fourth proportional to 104,012,726.40, 143,468,448.35 and 66,889,940.67 is: 92,263,671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,012,726.40 : 143,468,448.35 = 66,889,940.67 : x
  2. Step 2: Convert to fraction form
    104,012,726.40/143,468,448.35 = 66,889,940.67/x
  3. Step 3: Cross multiply
    104,012,726.40x = 143,468,448.35 × 66,889,940.67
  4. Step 4: Simplify right side
    104,012,726.40x = 9,596,595,997,814,010
  5. Step 5: Solve for x
    x = 9,596,595,997,814,010/104,012,726.40
  6. Step 6: Final answer
    x = 92,263,671.28

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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.