Home / 74,902,644.60-112,353,966.90-21,049,956.60

Finding the Fourth Proportional to 74,902,644.60, 112,353,966.90 and 21,049,956.60

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Solution

The fourth proportional to 74,902,644.60, 112,353,966.90 and 21,049,956.60 is: 31,574,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902,644.60 : 112,353,966.90 = 21,049,956.60 : x
  2. Step 2: Convert to fraction form
    74,902,644.60/112,353,966.90 = 21,049,956.60/x
  3. Step 3: Cross multiply
    74,902,644.60x = 112,353,966.90 × 21,049,956.60
  4. Step 4: Simplify right side
    74,902,644.60x = 2,365,046,127,082,837
  5. Step 5: Solve for x
    x = 2,365,046,127,082,837/74,902,644.60
  6. Step 6: Final answer
    x = 31,574,934.90

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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.