Home / 78,732,701.80-118,099,052.70-35,603,312.20

Finding the Fourth Proportional to 78,732,701.80, 118,099,052.70 and 35,603,312.20

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Solution

The fourth proportional to 78,732,701.80, 118,099,052.70 and 35,603,312.20 is: 53,404,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,701.80 : 118,099,052.70 = 35,603,312.20 : x
  2. Step 2: Convert to fraction form
    78,732,701.80/118,099,052.70 = 35,603,312.20/x
  3. Step 3: Cross multiply
    78,732,701.80x = 118,099,052.70 × 35,603,312.20
  4. Step 4: Simplify right side
    78,732,701.80x = 4,204,717,443,802,353.50
  5. Step 5: Solve for x
    x = 4,204,717,443,802,353.50/78,732,701.80
  6. Step 6: Final answer
    x = 53,404,968.30

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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.