Home / 79,186,539.40-118,779,809.10-73,446,976.60

Finding the Fourth Proportional to 79,186,539.40, 118,779,809.10 and 73,446,976.60

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Solution

The fourth proportional to 79,186,539.40, 118,779,809.10 and 73,446,976.60 is: 110,170,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,186,539.40 : 118,779,809.10 = 73,446,976.60 : x
  2. Step 2: Convert to fraction form
    79,186,539.40/118,779,809.10 = 73,446,976.60/x
  3. Step 3: Cross multiply
    79,186,539.40x = 118,779,809.10 × 73,446,976.60
  4. Step 4: Simplify right side
    79,186,539.40x = 8,724,017,859,520,166
  5. Step 5: Solve for x
    x = 8,724,017,859,520,166/79,186,539.40
  6. Step 6: Final answer
    x = 110,170,464.90

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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.