Home / 74,908,955.20-112,237,461.60-49,336,801.60

Finding the Fourth Proportional to 74,908,955.20, 112,237,461.60 and 49,336,801.60

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Solution

The fourth proportional to 74,908,955.20, 112,237,461.60 and 49,336,801.60 is: 73,922,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,908,955.20 : 112,237,461.60 = 49,336,801.60 : x
  2. Step 2: Convert to fraction form
    74,908,955.20/112,237,461.60 = 49,336,801.60/x
  3. Step 3: Cross multiply
    74,908,955.20x = 112,237,461.60 × 49,336,801.60
  4. Step 4: Simplify right side
    74,908,955.20x = 5,537,437,375,046,818
  5. Step 5: Solve for x
    x = 5,537,437,375,046,818/74,908,955.20
  6. Step 6: Final answer
    x = 73,922,234.80

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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.