Home / 275,662,981.56-380,417,465.82-151,908,087.48

Finding the Fourth Proportional to 275,662,981.56, 380,417,465.82 and 151,908,087.48

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Solution

The fourth proportional to 275,662,981.56, 380,417,465.82 and 151,908,087.48 is: 209,634,566.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,662,981.56 : 380,417,465.82 = 151,908,087.48 : x
  2. Step 2: Convert to fraction form
    275,662,981.56/380,417,465.82 = 151,908,087.48/x
  3. Step 3: Cross multiply
    275,662,981.56x = 380,417,465.82 × 151,908,087.48
  4. Step 4: Simplify right side
    275,662,981.56x = 57,788,489,676,704,464
  5. Step 5: Solve for x
    x = 57,788,489,676,704,464/275,662,981.56
  6. Step 6: Final answer
    x = 209,634,566.64

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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.