Home / 120,383,800.16-180,518,817.42-46,642,126.19

Finding the Fourth Proportional to 120,383,800.16, 180,518,817.42 and 46,642,126.19

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Solution

The fourth proportional to 120,383,800.16, 180,518,817.42 and 46,642,126.19 is: 69,941,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,383,800.16 : 180,518,817.42 = 46,642,126.19 : x
  2. Step 2: Convert to fraction form
    120,383,800.16/180,518,817.42 = 46,642,126.19/x
  3. Step 3: Cross multiply
    120,383,800.16x = 180,518,817.42 × 46,642,126.19
  4. Step 4: Simplify right side
    120,383,800.16x = 8,419,781,460,870,616
  5. Step 5: Solve for x
    x = 8,419,781,460,870,616/120,383,800.16
  6. Step 6: Final answer
    x = 69,941,150.30

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1.5x scale

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.