Home / 72,869,593.41-100,559,954.93-39,830,059.53

Finding the Fourth Proportional to 72,869,593.41, 100,559,954.93 and 39,830,059.53

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Solution

The fourth proportional to 72,869,593.41, 100,559,954.93 and 39,830,059.53 is: 54,965,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,869,593.41 : 100,559,954.93 = 39,830,059.53 : x
  2. Step 2: Convert to fraction form
    72,869,593.41/100,559,954.93 = 39,830,059.53/x
  3. Step 3: Cross multiply
    72,869,593.41x = 100,559,954.93 × 39,830,059.53
  4. Step 4: Simplify right side
    72,869,593.41x = 4,005,308,990,996,866.50
  5. Step 5: Solve for x
    x = 4,005,308,990,996,866.50/72,869,593.41
  6. Step 6: Final answer
    x = 54,965,436.25

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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.