Home / 166,486,402.20-249,729,603.30-163,616,620.80

Finding the Fourth Proportional to 166,486,402.20, 249,729,603.30 and 163,616,620.80

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Solution

The fourth proportional to 166,486,402.20, 249,729,603.30 and 163,616,620.80 is: 245,424,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,486,402.20 : 249,729,603.30 = 163,616,620.80 : x
  2. Step 2: Convert to fraction form
    166,486,402.20/249,729,603.30 = 163,616,620.80/x
  3. Step 3: Cross multiply
    166,486,402.20x = 249,729,603.30 × 163,616,620.80
  4. Step 4: Simplify right side
    166,486,402.20x = 40,859,913,805,670,536
  5. Step 5: Solve for x
    x = 40,859,913,805,670,536/166,486,402.20
  6. Step 6: Final answer
    x = 245,424,931.20

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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.