Home / 130,605,264,857.48-195,919,016,131.70-39,867,062,189.31

Finding the Fourth Proportional to 130,605,264,857.48, 195,919,016,131.70 and 39,867,062,189.31

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Solution

The fourth proportional to 130,605,264,857.48, 195,919,016,131.70 and 39,867,062,189.31 is: 59,803,987,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,605,264,857.48 : 195,919,016,131.70 = 39,867,062,189.31 : x
  2. Step 2: Convert to fraction form
    130,605,264,857.48/195,919,016,131.70 = 39,867,062,189.31/x
  3. Step 3: Cross multiply
    130,605,264,857.48x = 195,919,016,131.70 × 39,867,062,189.31
  4. Step 4: Simplify right side
    130,605,264,857.48x = 7,810,715,600,189,934,010,368
  5. Step 5: Solve for x
    x = 7,810,715,600,189,934,010,368/130,605,264,857.48
  6. Step 6: Final answer
    x = 59,803,987,294.95

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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.