Home / 74,676,836.40-112,015,254.60-43,939,863.60

Finding the Fourth Proportional to 74,676,836.40, 112,015,254.60 and 43,939,863.60

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Solution

The fourth proportional to 74,676,836.40, 112,015,254.60 and 43,939,863.60 is: 65,909,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,676,836.40 : 112,015,254.60 = 43,939,863.60 : x
  2. Step 2: Convert to fraction form
    74,676,836.40/112,015,254.60 = 43,939,863.60/x
  3. Step 3: Cross multiply
    74,676,836.40x = 112,015,254.60 × 43,939,863.60
  4. Step 4: Simplify right side
    74,676,836.40x = 4,921,935,008,243,272
  5. Step 5: Solve for x
    x = 4,921,935,008,243,272/74,676,836.40
  6. Step 6: Final answer
    x = 65,909,795.40

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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.