Home / 147,439,815.88-203,507,411.70-85,580,083.48

Finding the Fourth Proportional to 147,439,815.88, 203,507,411.70 and 85,580,083.48

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Solution

The fourth proportional to 147,439,815.88, 203,507,411.70 and 85,580,083.48 is: 118,124,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,439,815.88 : 203,507,411.70 = 85,580,083.48 : x
  2. Step 2: Convert to fraction form
    147,439,815.88/203,507,411.70 = 85,580,083.48/x
  3. Step 3: Cross multiply
    147,439,815.88x = 203,507,411.70 × 85,580,083.48
  4. Step 4: Simplify right side
    147,439,815.88x = 17,416,181,282,084,728
  5. Step 5: Solve for x
    x = 17,416,181,282,084,728/147,439,815.88
  6. Step 6: Final answer
    x = 118,124,003.20

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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.