Home / 275,323,430.24-412,998,868.31-78,616,018.43

Finding the Fourth Proportional to 275,323,430.24, 412,998,868.31 and 78,616,018.43

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Solution

The fourth proportional to 275,323,430.24, 412,998,868.31 and 78,616,018.43 is: 117,927,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,323,430.24 : 412,998,868.31 = 78,616,018.43 : x
  2. Step 2: Convert to fraction form
    275,323,430.24/412,998,868.31 = 78,616,018.43/x
  3. Step 3: Cross multiply
    275,323,430.24x = 412,998,868.31 × 78,616,018.43
  4. Step 4: Simplify right side
    275,323,430.24x = 32,468,326,640,170,028
  5. Step 5: Solve for x
    x = 32,468,326,640,170,028/275,323,430.24
  6. Step 6: Final answer
    x = 117,927,946.10

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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.