Home / 217,271,822.31-299,837,249.80-118,154,723.56

Finding the Fourth Proportional to 217,271,822.31, 299,837,249.80 and 118,154,723.56

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Solution

The fourth proportional to 217,271,822.31, 299,837,249.80 and 118,154,723.56 is: 163,054,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,271,822.31 : 299,837,249.80 = 118,154,723.56 : x
  2. Step 2: Convert to fraction form
    217,271,822.31/299,837,249.80 = 118,154,723.56/x
  3. Step 3: Cross multiply
    217,271,822.31x = 299,837,249.80 × 118,154,723.56
  4. Step 4: Simplify right side
    217,271,822.31x = 35,427,187,362,064,688
  5. Step 5: Solve for x
    x = 35,427,187,362,064,688/217,271,822.31
  6. Step 6: Final answer
    x = 163,054,679.55

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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.