Home / 102,615,872.49-141,608,153.75-55,572,563.84

Finding the Fourth Proportional to 102,615,872.49, 141,608,153.75 and 55,572,563.84

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Solution

The fourth proportional to 102,615,872.49, 141,608,153.75 and 55,572,563.84 is: 76,689,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,615,872.49 : 141,608,153.75 = 55,572,563.84 : x
  2. Step 2: Convert to fraction form
    102,615,872.49/141,608,153.75 = 55,572,563.84/x
  3. Step 3: Cross multiply
    102,615,872.49x = 141,608,153.75 × 55,572,563.84
  4. Step 4: Simplify right side
    102,615,872.49x = 7,869,528,163,550,507
  5. Step 5: Solve for x
    x = 7,869,528,163,550,507/102,615,872.49
  6. Step 6: Final answer
    x = 76,689,190.21

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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.