Home / 39,819,155,003.16-54,950,455,948.14-21,508,212,585.51

Finding the Fourth Proportional to 39,819,155,003.16, 54,950,455,948.14 and 21,508,212,585.51

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Solution

The fourth proportional to 39,819,155,003.16, 54,950,455,948.14 and 21,508,212,585.51 is: 29,681,345,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819,155,003.16 : 54,950,455,948.14 = 21,508,212,585.51 : x
  2. Step 2: Convert to fraction form
    39,819,155,003.16/54,950,455,948.14 = 21,508,212,585.51/x
  3. Step 3: Cross multiply
    39,819,155,003.16x = 54,950,455,948.14 × 21,508,212,585.51
  4. Step 4: Simplify right side
    39,819,155,003.16x = 1,181,886,088,203,297,357,824
  5. Step 5: Solve for x
    x = 1,181,886,088,203,297,357,824/39,819,155,003.16
  6. Step 6: Final answer
    x = 29,681,345,274.89

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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.