Home / 76,059,705.40-104,964,769.50-43,019,308

Finding the Fourth Proportional to 76,059,705.40, 104,964,769.50 and 43,019,308

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Solution

The fourth proportional to 76,059,705.40, 104,964,769.50 and 43,019,308 is: 59,367,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,059,705.40 : 104,964,769.50 = 43,019,308 : x
  2. Step 2: Convert to fraction form
    76,059,705.40/104,964,769.50 = 43,019,308/x
  3. Step 3: Cross multiply
    76,059,705.40x = 104,964,769.50 × 43,019,308
  4. Step 4: Simplify right side
    76,059,705.40x = 4,515,511,748,269,506
  5. Step 5: Solve for x
    x = 4,515,511,748,269,506/76,059,705.40
  6. Step 6: Final answer
    x = 59,367,988.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.