Home / 366,718,618.80-549,888,971.40-136,569,236.40

Finding the Fourth Proportional to 366,718,618.80, 549,888,971.40 and 136,569,236.40

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Solution

The fourth proportional to 366,718,618.80, 549,888,971.40 and 136,569,236.40 is: 204,783,485.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,718,618.80 : 549,888,971.40 = 136,569,236.40 : x
  2. Step 2: Convert to fraction form
    366,718,618.80/549,888,971.40 = 136,569,236.40/x
  3. Step 3: Cross multiply
    366,718,618.80x = 549,888,971.40 × 136,569,236.40
  4. Step 4: Simplify right side
    366,718,618.80x = 75,097,916,928,879,440
  5. Step 5: Solve for x
    x = 75,097,916,928,879,440/366,718,618.80
  6. Step 6: Final answer
    x = 204,783,485.43

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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.