Home / 103,397,941,638.60-154,879,712,048.16-65,605,063,552.80

Finding the Fourth Proportional to 103,397,941,638.60, 154,879,712,048.16 and 65,605,063,552.80

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Solution

The fourth proportional to 103,397,941,638.60, 154,879,712,048.16 and 65,605,063,552.80 is: 98,269,783,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,397,941,638.60 : 154,879,712,048.16 = 65,605,063,552.80 : x
  2. Step 2: Convert to fraction form
    103,397,941,638.60/154,879,712,048.16 = 65,605,063,552.80/x
  3. Step 3: Cross multiply
    103,397,941,638.60x = 154,879,712,048.16 × 65,605,063,552.80
  4. Step 4: Simplify right side
    103,397,941,638.60x = 10,160,893,351,958,901,948,416
  5. Step 5: Solve for x
    x = 10,160,893,351,958,901,948,416/103,397,941,638.60
  6. Step 6: Final answer
    x = 98,269,783,623.68

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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.