Home / 163,556,720.20-245,335,080.30-98,986,638.70

Finding the Fourth Proportional to 163,556,720.20, 245,335,080.30 and 98,986,638.70

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Solution

The fourth proportional to 163,556,720.20, 245,335,080.30 and 98,986,638.70 is: 148,479,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,556,720.20 : 245,335,080.30 = 98,986,638.70 : x
  2. Step 2: Convert to fraction form
    163,556,720.20/245,335,080.30 = 98,986,638.70/x
  3. Step 3: Cross multiply
    163,556,720.20x = 245,335,080.30 × 98,986,638.70
  4. Step 4: Simplify right side
    163,556,720.20x = 24,284,894,954,091,588
  5. Step 5: Solve for x
    x = 24,284,894,954,091,588/163,556,720.20
  6. Step 6: Final answer
    x = 148,479,958.05

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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.