Home / 107,671,805.80-161,507,708.70-42,985,594.60

Finding the Fourth Proportional to 107,671,805.80, 161,507,708.70 and 42,985,594.60

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Solution

The fourth proportional to 107,671,805.80, 161,507,708.70 and 42,985,594.60 is: 64,478,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,671,805.80 : 161,507,708.70 = 42,985,594.60 : x
  2. Step 2: Convert to fraction form
    107,671,805.80/161,507,708.70 = 42,985,594.60/x
  3. Step 3: Cross multiply
    107,671,805.80x = 161,507,708.70 × 42,985,594.60
  4. Step 4: Simplify right side
    107,671,805.80x = 6,942,504,890,953,093
  5. Step 5: Solve for x
    x = 6,942,504,890,953,093/107,671,805.80
  6. Step 6: Final answer
    x = 64,478,391.90

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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.