Home / 120,673,958.60-181,105,416.30-55,985,779.10

Finding the Fourth Proportional to 120,673,958.60, 181,105,416.30 and 55,985,779.10

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Solution

The fourth proportional to 120,673,958.60, 181,105,416.30 and 55,985,779.10 is: 84,022,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,673,958.60 : 181,105,416.30 = 55,985,779.10 : x
  2. Step 2: Convert to fraction form
    120,673,958.60/181,105,416.30 = 55,985,779.10/x
  3. Step 3: Cross multiply
    120,673,958.60x = 181,105,416.30 × 55,985,779.10
  4. Step 4: Simplify right side
    120,673,958.60x = 10,139,327,830,785,340
  5. Step 5: Solve for x
    x = 10,139,327,830,785,340/120,673,958.60
  6. Step 6: Final answer
    x = 84,022,501.20

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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.