Home / 166,486,053.70-249,729,080.55-163,616,272.30

Finding the Fourth Proportional to 166,486,053.70, 249,729,080.55 and 163,616,272.30

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Solution

The fourth proportional to 166,486,053.70, 249,729,080.55 and 163,616,272.30 is: 245,424,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,486,053.70 : 249,729,080.55 = 163,616,272.30 : x
  2. Step 2: Convert to fraction form
    166,486,053.70/249,729,080.55 = 163,616,272.30/x
  3. Step 3: Cross multiply
    166,486,053.70x = 249,729,080.55 × 163,616,272.30
  4. Step 4: Simplify right side
    166,486,053.70x = 40,859,741,244,497,440
  5. Step 5: Solve for x
    x = 40,859,741,244,497,440/166,486,053.70
  6. Step 6: Final answer
    x = 245,424,408.45

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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.