Home / 153,232,930.44-211,465,910.07-83,622,795.30

Finding the Fourth Proportional to 153,232,930.44, 211,465,910.07 and 83,622,795.30

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Solution

The fourth proportional to 153,232,930.44, 211,465,910.07 and 83,622,795.30 is: 115,401,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,232,930.44 : 211,465,910.07 = 83,622,795.30 : x
  2. Step 2: Convert to fraction form
    153,232,930.44/211,465,910.07 = 83,622,795.30/x
  3. Step 3: Cross multiply
    153,232,930.44x = 211,465,910.07 × 83,622,795.30
  4. Step 4: Simplify right side
    153,232,930.44x = 17,683,370,510,711,818
  5. Step 5: Solve for x
    x = 17,683,370,510,711,818/153,232,930.44
  6. Step 6: Final answer
    x = 115,401,894.75

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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.