Home / 85,770,047,820.05-128,670,779,834.40-35,377,992,083.26

Finding the Fourth Proportional to 85,770,047,820.05, 128,670,779,834.40 and 35,377,992,083.26

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Solution

The fourth proportional to 85,770,047,820.05, 128,670,779,834.40 and 35,377,992,083.26 is: 53,073,467,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,770,047,820.05 : 128,670,779,834.40 = 35,377,992,083.26 : x
  2. Step 2: Convert to fraction form
    85,770,047,820.05/128,670,779,834.40 = 35,377,992,083.26/x
  3. Step 3: Cross multiply
    85,770,047,820.05x = 128,670,779,834.40 × 35,377,992,083.26
  4. Step 4: Simplify right side
    85,770,047,820.05x = 4,552,113,830,327,908,040,704
  5. Step 5: Solve for x
    x = 4,552,113,830,327,908,040,704/85,770,047,820.05
  6. Step 6: Final answer
    x = 53,073,467,323.68

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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.