Home / 165,731,616,005.20-248,597,424,007.80-61,028,385,643.60

Finding the Fourth Proportional to 165,731,616,005.20, 248,597,424,007.80 and 61,028,385,643.60

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Solution

The fourth proportional to 165,731,616,005.20, 248,597,424,007.80 and 61,028,385,643.60 is: 91,542,578,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,731,616,005.20 : 248,597,424,007.80 = 61,028,385,643.60 : x
  2. Step 2: Convert to fraction form
    165,731,616,005.20/248,597,424,007.80 = 61,028,385,643.60/x
  3. Step 3: Cross multiply
    165,731,616,005.20x = 248,597,424,007.80 × 61,028,385,643.60
  4. Step 4: Simplify right side
    165,731,616,005.20x = 15,171,499,462,353,563,418,624
  5. Step 5: Solve for x
    x = 15,171,499,462,353,563,418,624/165,731,616,005.20
  6. Step 6: Final answer
    x = 91,542,578,465.40

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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.