Home / 101,807,089.50-140,492,602.53-55,396,543.80

Finding the Fourth Proportional to 101,807,089.50, 140,492,602.53 and 55,396,543.80

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Solution

The fourth proportional to 101,807,089.50, 140,492,602.53 and 55,396,543.80 is: 76,446,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,807,089.50 : 140,492,602.53 = 55,396,543.80 : x
  2. Step 2: Convert to fraction form
    101,807,089.50/140,492,602.53 = 55,396,543.80/x
  3. Step 3: Cross multiply
    101,807,089.50x = 140,492,602.53 × 55,396,543.80
  4. Step 4: Simplify right side
    101,807,089.50x = 7,782,804,609,629,135
  5. Step 5: Solve for x
    x = 7,782,804,609,629,135/101,807,089.50
  6. Step 6: Final answer
    x = 76,446,587.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.