Home / 165,353,088.58-248,030,282.81-66,986,653.30

Finding the Fourth Proportional to 165,353,088.58, 248,030,282.81 and 66,986,653.30

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Solution

The fourth proportional to 165,353,088.58, 248,030,282.81 and 66,986,653.30 is: 100,480,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,353,088.58 : 248,030,282.81 = 66,986,653.30 : x
  2. Step 2: Convert to fraction form
    165,353,088.58/248,030,282.81 = 66,986,653.30/x
  3. Step 3: Cross multiply
    165,353,088.58x = 248,030,282.81 × 66,986,653.30
  4. Step 4: Simplify right side
    165,353,088.58x = 16,614,718,562,041,810
  5. Step 5: Solve for x
    x = 16,614,718,562,041,810/165,353,088.58
  6. Step 6: Final answer
    x = 100,480,243.25

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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.