Home / 123,783,268.80-185,674,903.20-80,736,547.80

Finding the Fourth Proportional to 123,783,268.80, 185,674,903.20 and 80,736,547.80

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Solution

The fourth proportional to 123,783,268.80, 185,674,903.20 and 80,736,547.80 is: 121,104,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,783,268.80 : 185,674,903.20 = 80,736,547.80 : x
  2. Step 2: Convert to fraction form
    123,783,268.80/185,674,903.20 = 80,736,547.80/x
  3. Step 3: Cross multiply
    123,783,268.80x = 185,674,903.20 × 80,736,547.80
  4. Step 4: Simplify right side
    123,783,268.80x = 14,990,750,697,467,172
  5. Step 5: Solve for x
    x = 14,990,750,697,467,172/123,783,268.80
  6. Step 6: Final answer
    x = 121,104,821.70

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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.