Home / 129,831,787.71-194,578,112.49-99,013,524.12

Finding the Fourth Proportional to 129,831,787.71, 194,578,112.49 and 99,013,524.12

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Solution

The fourth proportional to 129,831,787.71, 194,578,112.49 and 99,013,524.12 is: 148,390,967.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,831,787.71 : 194,578,112.49 = 99,013,524.12 : x
  2. Step 2: Convert to fraction form
    129,831,787.71/194,578,112.49 = 99,013,524.12/x
  3. Step 3: Cross multiply
    129,831,787.71x = 194,578,112.49 × 99,013,524.12
  4. Step 4: Simplify right side
    129,831,787.71x = 19,265,864,634,252,692
  5. Step 5: Solve for x
    x = 19,265,864,634,252,692/129,831,787.71
  6. Step 6: Final answer
    x = 148,390,967.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.