Home / 77,841,144,851.17-116,749,919,756.09-21,185,422,807.70

Finding the Fourth Proportional to 77,841,144,851.17, 116,749,919,756.09 and 21,185,422,807.70

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Solution

The fourth proportional to 77,841,144,851.17, 116,749,919,756.09 and 21,185,422,807.70 is: 31,774,923,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,841,144,851.17 : 116,749,919,756.09 = 21,185,422,807.70 : x
  2. Step 2: Convert to fraction form
    77,841,144,851.17/116,749,919,756.09 = 21,185,422,807.70/x
  3. Step 3: Cross multiply
    77,841,144,851.17x = 116,749,919,756.09 × 21,185,422,807.70
  4. Step 4: Simplify right side
    77,841,144,851.17x = 2,473,396,412,798,047,092,736
  5. Step 5: Solve for x
    x = 2,473,396,412,798,047,092,736/77,841,144,851.17
  6. Step 6: Final answer
    x = 31,774,923,371.53

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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.