Home / 121,019,781,779.60-181,529,672,669.40-37,173,378,615.80

Finding the Fourth Proportional to 121,019,781,779.60, 181,529,672,669.40 and 37,173,378,615.80

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Solution

The fourth proportional to 121,019,781,779.60, 181,529,672,669.40 and 37,173,378,615.80 is: 55,760,067,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,019,781,779.60 : 181,529,672,669.40 = 37,173,378,615.80 : x
  2. Step 2: Convert to fraction form
    121,019,781,779.60/181,529,672,669.40 = 37,173,378,615.80/x
  3. Step 3: Cross multiply
    121,019,781,779.60x = 181,529,672,669.40 × 37,173,378,615.80
  4. Step 4: Simplify right side
    121,019,781,779.60x = 6,748,071,252,141,847,609,344
  5. Step 5: Solve for x
    x = 6,748,071,252,141,847,609,344/121,019,781,779.60
  6. Step 6: Final answer
    x = 55,760,067,923.70

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1.5x scale

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.