Home / 166,311,987.60-249,090,067.80-105,089,984.40

Finding the Fourth Proportional to 166,311,987.60, 249,090,067.80 and 105,089,984.40

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Solution

The fourth proportional to 166,311,987.60, 249,090,067.80 and 105,089,984.40 is: 157,396,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,311,987.60 : 249,090,067.80 = 105,089,984.40 : x
  2. Step 2: Convert to fraction form
    166,311,987.60/249,090,067.80 = 105,089,984.40/x
  3. Step 3: Cross multiply
    166,311,987.60x = 249,090,067.80 × 105,089,984.40
  4. Step 4: Simplify right side
    166,311,987.60x = 26,176,871,339,296,944
  5. Step 5: Solve for x
    x = 26,176,871,339,296,944/166,311,987.60
  6. Step 6: Final answer
    x = 157,396,178.81

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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.