Home / 129,831,782.32-194,578,104.43-99,013,518.73

Finding the Fourth Proportional to 129,831,782.32, 194,578,104.43 and 99,013,518.73

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Solution

The fourth proportional to 129,831,782.32, 194,578,104.43 and 99,013,518.73 is: 148,390,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,831,782.32 : 194,578,104.43 = 99,013,518.73 : x
  2. Step 2: Convert to fraction form
    129,831,782.32/194,578,104.43 = 99,013,518.73/x
  3. Step 3: Cross multiply
    129,831,782.32x = 194,578,104.43 × 99,013,518.73
  4. Step 4: Simplify right side
    129,831,782.32x = 19,265,862,787,427,704
  5. Step 5: Solve for x
    x = 19,265,862,787,427,704/129,831,782.32
  6. Step 6: Final answer
    x = 148,390,959.77

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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.