Home / 74,860,267.20-112,290,400.80-69,933,393.60

Finding the Fourth Proportional to 74,860,267.20, 112,290,400.80 and 69,933,393.60

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Solution

The fourth proportional to 74,860,267.20, 112,290,400.80 and 69,933,393.60 is: 104,900,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,860,267.20 : 112,290,400.80 = 69,933,393.60 : x
  2. Step 2: Convert to fraction form
    74,860,267.20/112,290,400.80 = 69,933,393.60/x
  3. Step 3: Cross multiply
    74,860,267.20x = 112,290,400.80 × 69,933,393.60
  4. Step 4: Simplify right side
    74,860,267.20x = 7,852,848,796,648,154
  5. Step 5: Solve for x
    x = 7,852,848,796,648,154/74,860,267.20
  6. Step 6: Final answer
    x = 104,900,090.40

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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.