Home / 260,684,356.50-391,076,888.67-99,113,729.94

Finding the Fourth Proportional to 260,684,356.50, 391,076,888.67 and 99,113,729.94

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Solution

The fourth proportional to 260,684,356.50, 391,076,888.67 and 99,113,729.94 is: 148,689,739.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,684,356.50 : 391,076,888.67 = 99,113,729.94 : x
  2. Step 2: Convert to fraction form
    260,684,356.50/391,076,888.67 = 99,113,729.94/x
  3. Step 3: Cross multiply
    260,684,356.50x = 391,076,888.67 × 99,113,729.94
  4. Step 4: Simplify right side
    260,684,356.50x = 38,761,089,129,413,824
  5. Step 5: Solve for x
    x = 38,761,089,129,413,824/260,684,356.50
  6. Step 6: Final answer
    x = 148,689,739.77

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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.