Home / 166,477,072.80-249,715,609.20-163,075,850.40

Finding the Fourth Proportional to 166,477,072.80, 249,715,609.20 and 163,075,850.40

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Solution

The fourth proportional to 166,477,072.80, 249,715,609.20 and 163,075,850.40 is: 244,613,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,477,072.80 : 249,715,609.20 = 163,075,850.40 : x
  2. Step 2: Convert to fraction form
    166,477,072.80/249,715,609.20 = 163,075,850.40/x
  3. Step 3: Cross multiply
    166,477,072.80x = 249,715,609.20 × 163,075,850.40
  4. Step 4: Simplify right side
    166,477,072.80x = 40,722,585,328,444,064
  5. Step 5: Solve for x
    x = 40,722,585,328,444,064/166,477,072.80
  6. Step 6: Final answer
    x = 244,613,775.60

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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.