Home / 72,998,726,345.37-100,736,909,020.86-40,445,821,259.46

Finding the Fourth Proportional to 72,998,726,345.37, 100,736,909,020.86 and 40,445,821,259.46

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Solution

The fourth proportional to 72,998,726,345.37, 100,736,909,020.86 and 40,445,821,259.46 is: 55,814,494,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,998,726,345.37 : 100,736,909,020.86 = 40,445,821,259.46 : x
  2. Step 2: Convert to fraction form
    72,998,726,345.37/100,736,909,020.86 = 40,445,821,259.46/x
  3. Step 3: Cross multiply
    72,998,726,345.37x = 100,736,909,020.86 × 40,445,821,259.46
  4. Step 4: Simplify right side
    72,998,726,345.37x = 4,074,387,016,488,187,330,560
  5. Step 5: Solve for x
    x = 4,074,387,016,488,187,330,560/72,998,726,345.37
  6. Step 6: Final answer
    x = 55,814,494,587.36

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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.