Home / 210,085,641.88-289,966,558.66-123,193,507.48

Finding the Fourth Proportional to 210,085,641.88, 289,966,558.66 and 123,193,507.48

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Solution

The fourth proportional to 210,085,641.88, 289,966,558.66 and 123,193,507.48 is: 170,035,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,085,641.88 : 289,966,558.66 = 123,193,507.48 : x
  2. Step 2: Convert to fraction form
    210,085,641.88/289,966,558.66 = 123,193,507.48/x
  3. Step 3: Cross multiply
    210,085,641.88x = 289,966,558.66 × 123,193,507.48
  4. Step 4: Simplify right side
    210,085,641.88x = 35,721,997,413,230,572
  5. Step 5: Solve for x
    x = 35,721,997,413,230,572/210,085,641.88
  6. Step 6: Final answer
    x = 170,035,406.01

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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.