Home / 79,208,949,855.69-118,862,295,017.49-36,705,924,811.35

Finding the Fourth Proportional to 79,208,949,855.69, 118,862,295,017.49 and 36,705,924,811.35

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Solution

The fourth proportional to 79,208,949,855.69, 118,862,295,017.49 and 36,705,924,811.35 is: 55,081,533,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,208,949,855.69 : 118,862,295,017.49 = 36,705,924,811.35 : x
  2. Step 2: Convert to fraction form
    79,208,949,855.69/118,862,295,017.49 = 36,705,924,811.35/x
  3. Step 3: Cross multiply
    79,208,949,855.69x = 118,862,295,017.49 × 36,705,924,811.35
  4. Step 4: Simplify right side
    79,208,949,855.69x = 4,362,950,463,816,489,500,672
  5. Step 5: Solve for x
    x = 4,362,950,463,816,489,500,672/79,208,949,855.69
  6. Step 6: Final answer
    x = 55,081,533,990.35

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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.