Home / 74,889,742.20-112,334,613.30-61,284,852.60

Finding the Fourth Proportional to 74,889,742.20, 112,334,613.30 and 61,284,852.60

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Solution

The fourth proportional to 74,889,742.20, 112,334,613.30 and 61,284,852.60 is: 91,927,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,889,742.20 : 112,334,613.30 = 61,284,852.60 : x
  2. Step 2: Convert to fraction form
    74,889,742.20/112,334,613.30 = 61,284,852.60/x
  3. Step 3: Cross multiply
    74,889,742.20x = 112,334,613.30 × 61,284,852.60
  4. Step 4: Simplify right side
    74,889,742.20x = 6,884,410,217,968,500
  5. Step 5: Solve for x
    x = 6,884,410,217,968,500/74,889,742.20
  6. Step 6: Final answer
    x = 91,927,278.90

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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.