Home / 166,485,681.20-249,728,521.80-163,615,899.80

Finding the Fourth Proportional to 166,485,681.20, 249,728,521.80 and 163,615,899.80

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Solution

The fourth proportional to 166,485,681.20, 249,728,521.80 and 163,615,899.80 is: 245,423,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,485,681.20 : 249,728,521.80 = 163,615,899.80 : x
  2. Step 2: Convert to fraction form
    166,485,681.20/249,728,521.80 = 163,615,899.80/x
  3. Step 3: Cross multiply
    166,485,681.20x = 249,728,521.80 × 163,615,899.80
  4. Step 4: Simplify right side
    166,485,681.20x = 40,859,556,800,030,920
  5. Step 5: Solve for x
    x = 40,859,556,800,030,920/166,485,681.20
  6. Step 6: Final answer
    x = 245,423,849.70

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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.