Home / 210,369,415.96-290,338,633.44-121,059,524.71

Finding the Fourth Proportional to 210,369,415.96, 290,338,633.44 and 121,059,524.71

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Solution

The fourth proportional to 210,369,415.96, 290,338,633.44 and 121,059,524.71 is: 167,078,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,369,415.96 : 290,338,633.44 = 121,059,524.71 : x
  2. Step 2: Convert to fraction form
    210,369,415.96/290,338,633.44 = 121,059,524.71/x
  3. Step 3: Cross multiply
    210,369,415.96x = 290,338,633.44 × 121,059,524.71
  4. Step 4: Simplify right side
    210,369,415.96x = 35,148,256,969,197,312
  5. Step 5: Solve for x
    x = 35,148,256,969,197,312/210,369,415.96
  6. Step 6: Final answer
    x = 167,078,740.08

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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.