Home / 103,397,941,480.60-154,879,711,812.96-65,605,063,395.16

Finding the Fourth Proportional to 103,397,941,480.60, 154,879,711,812.96 and 65,605,063,395.16

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Solution

The fourth proportional to 103,397,941,480.60, 154,879,711,812.96 and 65,605,063,395.16 is: 98,269,783,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,397,941,480.60 : 154,879,711,812.96 = 65,605,063,395.16 : x
  2. Step 2: Convert to fraction form
    103,397,941,480.60/154,879,711,812.96 = 65,605,063,395.16/x
  3. Step 3: Cross multiply
    103,397,941,480.60x = 154,879,711,812.96 × 65,605,063,395.16
  4. Step 4: Simplify right side
    103,397,941,480.60x = 10,160,893,312,113,351,589,888
  5. Step 5: Solve for x
    x = 10,160,893,312,113,351,589,888/103,397,941,480.60
  6. Step 6: Final answer
    x = 98,269,783,388.48

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1.5x scale

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.