Home / 120,183,463.60-180,275,195.40-118,908,005.20

Finding the Fourth Proportional to 120,183,463.60, 180,275,195.40 and 118,908,005.20

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Solution

The fourth proportional to 120,183,463.60, 180,275,195.40 and 118,908,005.20 is: 178,362,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,183,463.60 : 180,275,195.40 = 118,908,005.20 : x
  2. Step 2: Convert to fraction form
    120,183,463.60/180,275,195.40 = 118,908,005.20/x
  3. Step 3: Cross multiply
    120,183,463.60x = 180,275,195.40 × 118,908,005.20
  4. Step 4: Simplify right side
    120,183,463.60x = 21,436,163,872,054,216
  5. Step 5: Solve for x
    x = 21,436,163,872,054,216/120,183,463.60
  6. Step 6: Final answer
    x = 178,362,007.80

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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.