Home / 143,815,324.81-215,721,686.09-45,447,047.58

Finding the Fourth Proportional to 143,815,324.81, 215,721,686.09 and 45,447,047.58

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Solution

The fourth proportional to 143,815,324.81, 215,721,686.09 and 45,447,047.58 is: 68,170,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,815,324.81 : 215,721,686.09 = 45,447,047.58 : x
  2. Step 2: Convert to fraction form
    143,815,324.81/215,721,686.09 = 45,447,047.58/x
  3. Step 3: Cross multiply
    143,815,324.81x = 215,721,686.09 × 45,447,047.58
  4. Step 4: Simplify right side
    143,815,324.81x = 9,803,913,731,770,054
  5. Step 5: Solve for x
    x = 9,803,913,731,770,054/143,815,324.81
  6. Step 6: Final answer
    x = 68,170,160.20

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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.