Home / 166,036,896.90-249,055,345.35-105,720,020.10

Finding the Fourth Proportional to 166,036,896.90, 249,055,345.35 and 105,720,020.10

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Solution

The fourth proportional to 166,036,896.90, 249,055,345.35 and 105,720,020.10 is: 158,580,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,036,896.90 : 249,055,345.35 = 105,720,020.10 : x
  2. Step 2: Convert to fraction form
    166,036,896.90/249,055,345.35 = 105,720,020.10/x
  3. Step 3: Cross multiply
    166,036,896.90x = 249,055,345.35 × 105,720,020.10
  4. Step 4: Simplify right side
    166,036,896.90x = 26,330,136,116,414,440
  5. Step 5: Solve for x
    x = 26,330,136,116,414,440/166,036,896.90
  6. Step 6: Final answer
    x = 158,580,030.15

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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.