Home / 74,902,651.60-112,353,977.40-21,049,963.60

Finding the Fourth Proportional to 74,902,651.60, 112,353,977.40 and 21,049,963.60

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Solution

The fourth proportional to 74,902,651.60, 112,353,977.40 and 21,049,963.60 is: 31,574,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902,651.60 : 112,353,977.40 = 21,049,963.60 : x
  2. Step 2: Convert to fraction form
    74,902,651.60/112,353,977.40 = 21,049,963.60/x
  3. Step 3: Cross multiply
    74,902,651.60x = 112,353,977.40 × 21,049,963.60
  4. Step 4: Simplify right side
    74,902,651.60x = 2,365,047,134,585,223
  5. Step 5: Solve for x
    x = 2,365,047,134,585,223/74,902,651.60
  6. Step 6: Final answer
    x = 31,574,945.40

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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.