Home / 147,104,907.31-203,004,762.47-85,261,118.14

Finding the Fourth Proportional to 147,104,907.31, 203,004,762.47 and 85,261,118.14

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Solution

The fourth proportional to 147,104,907.31, 203,004,762.47 and 85,261,118.14 is: 117,660,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,104,907.31 : 203,004,762.47 = 85,261,118.14 : x
  2. Step 2: Convert to fraction form
    147,104,907.31/203,004,762.47 = 85,261,118.14/x
  3. Step 3: Cross multiply
    147,104,907.31x = 203,004,762.47 × 85,261,118.14
  4. Step 4: Simplify right side
    147,104,907.31x = 17,308,413,035,937,308
  5. Step 5: Solve for x
    x = 17,308,413,035,937,308/147,104,907.31
  6. Step 6: Final answer
    x = 117,660,337.46

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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.