Home / 55,316,482.80-76,334,745.51-30,536,137.50

Finding the Fourth Proportional to 55,316,482.80, 76,334,745.51 and 30,536,137.50

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Solution

The fourth proportional to 55,316,482.80, 76,334,745.51 and 30,536,137.50 is: 42,138,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,482.80 : 76,334,745.51 = 30,536,137.50 : x
  2. Step 2: Convert to fraction form
    55,316,482.80/76,334,745.51 = 30,536,137.50/x
  3. Step 3: Cross multiply
    55,316,482.80x = 76,334,745.51 × 30,536,137.50
  4. Step 4: Simplify right side
    55,316,482.80x = 2,330,968,284,920,868
  5. Step 5: Solve for x
    x = 2,330,968,284,920,868/55,316,482.80
  6. Step 6: Final answer
    x = 42,138,765.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.