Home / 245,621,010,302.51-338,974,534,173.45-135,752,992,836.51

Finding the Fourth Proportional to 245,621,010,302.51, 338,974,534,173.45 and 135,752,992,836.51

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Solution

The fourth proportional to 245,621,010,302.51, 338,974,534,173.45 and 135,752,992,836.51 is: 187,348,824,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,621,010,302.51 : 338,974,534,173.45 = 135,752,992,836.51 : x
  2. Step 2: Convert to fraction form
    245,621,010,302.51/338,974,534,173.45 = 135,752,992,836.51/x
  3. Step 3: Cross multiply
    245,621,010,302.51x = 338,974,534,173.45 × 135,752,992,836.51
  4. Step 4: Simplify right side
    245,621,010,302.51x = 46,016,807,509,407,670,730,752
  5. Step 5: Solve for x
    x = 46,016,807,509,407,670,730,752/245,621,010,302.51
  6. Step 6: Final answer
    x = 187,348,824,323.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.