Home / 165,280,275.70-247,920,413.55-155,202,579.70

Finding the Fourth Proportional to 165,280,275.70, 247,920,413.55 and 155,202,579.70

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Solution

The fourth proportional to 165,280,275.70, 247,920,413.55 and 155,202,579.70 is: 232,803,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,280,275.70 : 247,920,413.55 = 155,202,579.70 : x
  2. Step 2: Convert to fraction form
    165,280,275.70/247,920,413.55 = 155,202,579.70/x
  3. Step 3: Cross multiply
    165,280,275.70x = 247,920,413.55 × 155,202,579.70
  4. Step 4: Simplify right side
    165,280,275.70x = 38,477,887,743,250,832
  5. Step 5: Solve for x
    x = 38,477,887,743,250,832/165,280,275.70
  6. Step 6: Final answer
    x = 232,803,869.55

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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.