Home / 130,278,847.40-195,492,920.70-49,557,746.60

Finding the Fourth Proportional to 130,278,847.40, 195,492,920.70 and 49,557,746.60

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Solution

The fourth proportional to 130,278,847.40, 195,492,920.70 and 49,557,746.60 is: 74,365,016.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,278,847.40 : 195,492,920.70 = 49,557,746.60 : x
  2. Step 2: Convert to fraction form
    130,278,847.40/195,492,920.70 = 49,557,746.60/x
  3. Step 3: Cross multiply
    130,278,847.40x = 195,492,920.70 × 49,557,746.60
  4. Step 4: Simplify right side
    130,278,847.40x = 9,688,188,626,144,494
  5. Step 5: Solve for x
    x = 9,688,188,626,144,494/130,278,847.40
  6. Step 6: Final answer
    x = 74,365,016.42

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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.