Home / 39,819,155,004.66-54,950,455,950.21-21,508,212,587.01

Finding the Fourth Proportional to 39,819,155,004.66, 54,950,455,950.21 and 21,508,212,587.01

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Solution

The fourth proportional to 39,819,155,004.66, 54,950,455,950.21 and 21,508,212,587.01 is: 29,681,345,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819,155,004.66 : 54,950,455,950.21 = 21,508,212,587.01 : x
  2. Step 2: Convert to fraction form
    39,819,155,004.66/54,950,455,950.21 = 21,508,212,587.01/x
  3. Step 3: Cross multiply
    39,819,155,004.66x = 54,950,455,950.21 × 21,508,212,587.01
  4. Step 4: Simplify right side
    39,819,155,004.66x = 1,181,886,088,330,245,046,272
  5. Step 5: Solve for x
    x = 1,181,886,088,330,245,046,272/39,819,155,004.66
  6. Step 6: Final answer
    x = 29,681,345,276.96

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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.