Home / 90,939,860.56-136,421,142.14-35,600,547.79

Finding the Fourth Proportional to 90,939,860.56, 136,421,142.14 and 35,600,547.79

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Solution

The fourth proportional to 90,939,860.56, 136,421,142.14 and 35,600,547.79 is: 53,405,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,939,860.56 : 136,421,142.14 = 35,600,547.79 : x
  2. Step 2: Convert to fraction form
    90,939,860.56/136,421,142.14 = 35,600,547.79/x
  3. Step 3: Cross multiply
    90,939,860.56x = 136,421,142.14 × 35,600,547.79
  4. Step 4: Simplify right side
    90,939,860.56x = 4,856,667,390,321,452
  5. Step 5: Solve for x
    x = 4,856,667,390,321,452/90,939,860.56
  6. Step 6: Final answer
    x = 53,405,265.42

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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.