Home / 166,311,985.60-249,090,064.80-105,089,982.40

Finding the Fourth Proportional to 166,311,985.60, 249,090,064.80 and 105,089,982.40

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Solution

The fourth proportional to 166,311,985.60, 249,090,064.80 and 105,089,982.40 is: 157,396,175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,311,985.60 : 249,090,064.80 = 105,089,982.40 : x
  2. Step 2: Convert to fraction form
    166,311,985.60/249,090,064.80 = 105,089,982.40/x
  3. Step 3: Cross multiply
    166,311,985.60x = 249,090,064.80 × 105,089,982.40
  4. Step 4: Simplify right side
    166,311,985.60x = 26,176,870,525,846,864
  5. Step 5: Solve for x
    x = 26,176,870,525,846,864/166,311,985.60
  6. Step 6: Final answer
    x = 157,396,175.82

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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.