Home / 260,684,355.75-391,076,887.55-99,113,729.19

Finding the Fourth Proportional to 260,684,355.75, 391,076,887.55 and 99,113,729.19

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Solution

The fourth proportional to 260,684,355.75, 391,076,887.55 and 99,113,729.19 is: 148,689,738.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,684,355.75 : 391,076,887.55 = 99,113,729.19 : x
  2. Step 2: Convert to fraction form
    260,684,355.75/391,076,887.55 = 99,113,729.19/x
  3. Step 3: Cross multiply
    260,684,355.75x = 391,076,887.55 × 99,113,729.19
  4. Step 4: Simplify right side
    260,684,355.75x = 38,761,088,724,603,216
  5. Step 5: Solve for x
    x = 38,761,088,724,603,216/260,684,355.75
  6. Step 6: Final answer
    x = 148,689,738.64

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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.