Home / 120,888,690.50-181,315,321.04-59,461,360.81

Finding the Fourth Proportional to 120,888,690.50, 181,315,321.04 and 59,461,360.81

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Solution

The fourth proportional to 120,888,690.50, 181,315,321.04 and 59,461,360.81 is: 89,183,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,888,690.50 : 181,315,321.04 = 59,461,360.81 : x
  2. Step 2: Convert to fraction form
    120,888,690.50/181,315,321.04 = 59,461,360.81/x
  3. Step 3: Cross multiply
    120,888,690.50x = 181,315,321.04 × 59,461,360.81
  4. Step 4: Simplify right side
    120,888,690.50x = 10,781,255,724,101,616
  5. Step 5: Solve for x
    x = 10,781,255,724,101,616/120,888,690.50
  6. Step 6: Final answer
    x = 89,183,327.90

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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.