Home / 347,692,237.60-521,538,356.40-105,323,648.80

Finding the Fourth Proportional to 347,692,237.60, 521,538,356.40 and 105,323,648.80

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Solution

The fourth proportional to 347,692,237.60, 521,538,356.40 and 105,323,648.80 is: 157,985,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,692,237.60 : 521,538,356.40 = 105,323,648.80 : x
  2. Step 2: Convert to fraction form
    347,692,237.60/521,538,356.40 = 105,323,648.80/x
  3. Step 3: Cross multiply
    347,692,237.60x = 521,538,356.40 × 105,323,648.80
  4. Step 4: Simplify right side
    347,692,237.60x = 54,930,322,685,202,832
  5. Step 5: Solve for x
    x = 54,930,322,685,202,832/347,692,237.60
  6. Step 6: Final answer
    x = 157,985,473.20

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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.