Home / 72,183,779.80-108,275,669.70-56,059,466.20

Finding the Fourth Proportional to 72,183,779.80, 108,275,669.70 and 56,059,466.20

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Solution

The fourth proportional to 72,183,779.80, 108,275,669.70 and 56,059,466.20 is: 84,089,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,779.80 : 108,275,669.70 = 56,059,466.20 : x
  2. Step 2: Convert to fraction form
    72,183,779.80/108,275,669.70 = 56,059,466.20/x
  3. Step 3: Cross multiply
    72,183,779.80x = 108,275,669.70 × 56,059,466.20
  4. Step 4: Simplify right side
    72,183,779.80x = 6,069,876,245,829,515
  5. Step 5: Solve for x
    x = 6,069,876,245,829,515/72,183,779.80
  6. Step 6: Final answer
    x = 84,089,199.30

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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.