Home / 40,803,905.90-61,205,858.85-40,425,992.30

Finding the Fourth Proportional to 40,803,905.90, 61,205,858.85 and 40,425,992.30

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Solution

The fourth proportional to 40,803,905.90, 61,205,858.85 and 40,425,992.30 is: 60,638,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803,905.90 : 61,205,858.85 = 40,425,992.30 : x
  2. Step 2: Convert to fraction form
    40,803,905.90/61,205,858.85 = 40,425,992.30/x
  3. Step 3: Cross multiply
    40,803,905.90x = 61,205,858.85 × 40,425,992.30
  4. Step 4: Simplify right side
    40,803,905.90x = 2,474,307,578,584,986.50
  5. Step 5: Solve for x
    x = 2,474,307,578,584,986.50/40,803,905.90
  6. Step 6: Final answer
    x = 60,638,988.45

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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.