Home / 51,570,072.30-77,328,536.40-19,205,315.40

Finding the Fourth Proportional to 51,570,072.30, 77,328,536.40 and 19,205,315.40

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Solution

The fourth proportional to 51,570,072.30, 77,328,536.40 and 19,205,315.40 is: 28,798,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,570,072.30 : 77,328,536.40 = 19,205,315.40 : x
  2. Step 2: Convert to fraction form
    51,570,072.30/77,328,536.40 = 19,205,315.40/x
  3. Step 3: Cross multiply
    51,570,072.30x = 77,328,536.40 × 19,205,315.40
  4. Step 4: Simplify right side
    51,570,072.30x = 1,485,118,930,982,380.50
  5. Step 5: Solve for x
    x = 1,485,118,930,982,380.50/51,570,072.30
  6. Step 6: Final answer
    x = 28,798,077.35

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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.