Home / 61,809,852.70-92,714,779.05-18,685,711.90

Finding the Fourth Proportional to 61,809,852.70, 92,714,779.05 and 18,685,711.90

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Solution

The fourth proportional to 61,809,852.70, 92,714,779.05 and 18,685,711.90 is: 28,028,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,809,852.70 : 92,714,779.05 = 18,685,711.90 : x
  2. Step 2: Convert to fraction form
    61,809,852.70/92,714,779.05 = 18,685,711.90/x
  3. Step 3: Cross multiply
    61,809,852.70x = 92,714,779.05 × 18,685,711.90
  4. Step 4: Simplify right side
    61,809,852.70x = 1,732,441,650,200,455.50
  5. Step 5: Solve for x
    x = 1,732,441,650,200,455.50/61,809,852.70
  6. Step 6: Final answer
    x = 28,028,567.85

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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.