Home / 142,313,010.48-196,413,018.48-90,106,890.48

Finding the Fourth Proportional to 142,313,010.48, 196,413,018.48 and 90,106,890.48

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Solution

The fourth proportional to 142,313,010.48, 196,413,018.48 and 90,106,890.48 is: 124,360,845.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,313,010.48 : 196,413,018.48 = 90,106,890.48 : x
  2. Step 2: Convert to fraction form
    142,313,010.48/196,413,018.48 = 90,106,890.48/x
  3. Step 3: Cross multiply
    142,313,010.48x = 196,413,018.48 × 90,106,890.48
  4. Step 4: Simplify right side
    142,313,010.48x = 17,698,166,345,023,576
  5. Step 5: Solve for x
    x = 17,698,166,345,023,576/142,313,010.48
  6. Step 6: Final answer
    x = 124,360,845.75

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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.