Home / 166,036,884.40-249,055,326.60-105,720,007.60

Finding the Fourth Proportional to 166,036,884.40, 249,055,326.60 and 105,720,007.60

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Solution

The fourth proportional to 166,036,884.40, 249,055,326.60 and 105,720,007.60 is: 158,580,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,036,884.40 : 249,055,326.60 = 105,720,007.60 : x
  2. Step 2: Convert to fraction form
    166,036,884.40/249,055,326.60 = 105,720,007.60/x
  3. Step 3: Cross multiply
    166,036,884.40x = 249,055,326.60 × 105,720,007.60
  4. Step 4: Simplify right side
    166,036,884.40x = 26,330,131,020,972,480
  5. Step 5: Solve for x
    x = 26,330,131,020,972,480/166,036,884.40
  6. Step 6: Final answer
    x = 158,580,011.40

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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.