Home / 79,041,688.73-109,075,187.75-43,761,066.23

Finding the Fourth Proportional to 79,041,688.73, 109,075,187.75 and 43,761,066.23

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Solution

The fourth proportional to 79,041,688.73, 109,075,187.75 and 43,761,066.23 is: 60,388,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,041,688.73 : 109,075,187.75 = 43,761,066.23 : x
  2. Step 2: Convert to fraction form
    79,041,688.73/109,075,187.75 = 43,761,066.23/x
  3. Step 3: Cross multiply
    79,041,688.73x = 109,075,187.75 × 43,761,066.23
  4. Step 4: Simplify right side
    79,041,688.73x = 4,773,246,515,231,318
  5. Step 5: Solve for x
    x = 4,773,246,515,231,318/79,041,688.73
  6. Step 6: Final answer
    x = 60,388,974.38

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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.