Home / 210,030,266.24-289,846,407.15-115,944,190.34

Finding the Fourth Proportional to 210,030,266.24, 289,846,407.15 and 115,944,190.34

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Solution

The fourth proportional to 210,030,266.24, 289,846,407.15 and 115,944,190.34 is: 160,005,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,030,266.24 : 289,846,407.15 = 115,944,190.34 : x
  2. Step 2: Convert to fraction form
    210,030,266.24/289,846,407.15 = 115,944,190.34/x
  3. Step 3: Cross multiply
    210,030,266.24x = 289,846,407.15 × 115,944,190.34
  4. Step 4: Simplify right side
    210,030,266.24x = 33,606,006,999,964,736
  5. Step 5: Solve for x
    x = 33,606,006,999,964,736/210,030,266.24
  6. Step 6: Final answer
    x = 160,005,543.97

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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.