Home / 74,644,620.40-111,966,930.60-61,890,036.40

Finding the Fourth Proportional to 74,644,620.40, 111,966,930.60 and 61,890,036.40

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Solution

The fourth proportional to 74,644,620.40, 111,966,930.60 and 61,890,036.40 is: 92,835,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,644,620.40 : 111,966,930.60 = 61,890,036.40 : x
  2. Step 2: Convert to fraction form
    74,644,620.40/111,966,930.60 = 61,890,036.40/x
  3. Step 3: Cross multiply
    74,644,620.40x = 111,966,930.60 × 61,890,036.40
  4. Step 4: Simplify right side
    74,644,620.40x = 6,929,637,410,430,273
  5. Step 5: Solve for x
    x = 6,929,637,410,430,273/74,644,620.40
  6. Step 6: Final answer
    x = 92,835,054.60

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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.