Home / 120,183,467.10-180,275,200.65-118,908,008.70

Finding the Fourth Proportional to 120,183,467.10, 180,275,200.65 and 118,908,008.70

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Solution

The fourth proportional to 120,183,467.10, 180,275,200.65 and 118,908,008.70 is: 178,362,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,183,467.10 : 180,275,200.65 = 118,908,008.70 : x
  2. Step 2: Convert to fraction form
    120,183,467.10/180,275,200.65 = 118,908,008.70/x
  3. Step 3: Cross multiply
    120,183,467.10x = 180,275,200.65 × 118,908,008.70
  4. Step 4: Simplify right side
    120,183,467.10x = 21,436,165,127,284,448
  5. Step 5: Solve for x
    x = 21,436,165,127,284,448/120,183,467.10
  6. Step 6: Final answer
    x = 178,362,013.05

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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.