Home / 165,987,206.40-248,980,809.60-79,704,807.60

Finding the Fourth Proportional to 165,987,206.40, 248,980,809.60 and 79,704,807.60

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Solution

The fourth proportional to 165,987,206.40, 248,980,809.60 and 79,704,807.60 is: 119,557,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,987,206.40 : 248,980,809.60 = 79,704,807.60 : x
  2. Step 2: Convert to fraction form
    165,987,206.40/248,980,809.60 = 79,704,807.60/x
  3. Step 3: Cross multiply
    165,987,206.40x = 248,980,809.60 × 79,704,807.60
  4. Step 4: Simplify right side
    165,987,206.40x = 19,844,967,525,260,232
  5. Step 5: Solve for x
    x = 19,844,967,525,260,232/165,987,206.40
  6. Step 6: Final answer
    x = 119,557,211.40

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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.