Home / 210,085,623.84-289,966,533.84-123,193,489.44

Finding the Fourth Proportional to 210,085,623.84, 289,966,533.84 and 123,193,489.44

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Solution

The fourth proportional to 210,085,623.84, 289,966,533.84 and 123,193,489.44 is: 170,035,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,085,623.84 : 289,966,533.84 = 123,193,489.44 : x
  2. Step 2: Convert to fraction form
    210,085,623.84/289,966,533.84 = 123,193,489.44/x
  3. Step 3: Cross multiply
    210,085,623.84x = 289,966,533.84 × 123,193,489.44
  4. Step 4: Simplify right side
    210,085,623.84x = 35,721,989,124,571,440
  5. Step 5: Solve for x
    x = 35,721,989,124,571,440/210,085,623.84
  6. Step 6: Final answer
    x = 170,035,381.15

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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.