Home / 74,068,842.86-111,118,865.10-28,009,692.26

Finding the Fourth Proportional to 74,068,842.86, 111,118,865.10 and 28,009,692.26

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Solution

The fourth proportional to 74,068,842.86, 111,118,865.10 and 28,009,692.26 is: 42,020,437.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,068,842.86 : 111,118,865.10 = 28,009,692.26 : x
  2. Step 2: Convert to fraction form
    74,068,842.86/111,118,865.10 = 28,009,692.26/x
  3. Step 3: Cross multiply
    74,068,842.86x = 111,118,865.10 × 28,009,692.26
  4. Step 4: Simplify right side
    74,068,842.86x = 3,112,405,215,731,454
  5. Step 5: Solve for x
    x = 3,112,405,215,731,454/74,068,842.86
  6. Step 6: Final answer
    x = 42,020,437.95

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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.