Home / 78,732,704.30-118,099,056.45-35,603,314.70

Finding the Fourth Proportional to 78,732,704.30, 118,099,056.45 and 35,603,314.70

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Solution

The fourth proportional to 78,732,704.30, 118,099,056.45 and 35,603,314.70 is: 53,404,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,704.30 : 118,099,056.45 = 35,603,314.70 : x
  2. Step 2: Convert to fraction form
    78,732,704.30/118,099,056.45 = 35,603,314.70/x
  3. Step 3: Cross multiply
    78,732,704.30x = 118,099,056.45 × 35,603,314.70
  4. Step 4: Simplify right side
    78,732,704.30x = 4,204,717,872,562,415.50
  5. Step 5: Solve for x
    x = 4,204,717,872,562,415.50/78,732,704.30
  6. Step 6: Final answer
    x = 53,404,972.05

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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.