Home / 252,977,111.79-349,109,351.73-147,155,918.31

Finding the Fourth Proportional to 252,977,111.79, 349,109,351.73 and 147,155,918.31

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Solution

The fourth proportional to 252,977,111.79, 349,109,351.73 and 147,155,918.31 is: 203,075,712.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,977,111.79 : 349,109,351.73 = 147,155,918.31 : x
  2. Step 2: Convert to fraction form
    252,977,111.79/349,109,351.73 = 147,155,918.31/x
  3. Step 3: Cross multiply
    252,977,111.79x = 349,109,351.73 × 147,155,918.31
  4. Step 4: Simplify right side
    252,977,111.79x = 51,373,507,244,076,944
  5. Step 5: Solve for x
    x = 51,373,507,244,076,944/252,977,111.79
  6. Step 6: Final answer
    x = 203,075,712.58

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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.