Finding the Fourth Proportional to 220,889,940.03, 304,829,041.14 and 121,768,511.69
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Solution
The fourth proportional to 220,889,940.03, 304,829,041.14 and 121,768,511.69 is: 168,041,055.45
Step by Step Solution
- Step 1: Write the proportion equation
220,889,940.03 : 304,829,041.14 = 121,768,511.69 : x - Step 2: Convert to fraction form
220,889,940.03/304,829,041.14 = 121,768,511.69/x - Step 3: Cross multiply
220,889,940.03x = 304,829,041.14 × 121,768,511.69 - Step 4: Simplify right side
220,889,940.03x = 37,118,578,660,269,648 - Step 5: Solve for x
x = 37,118,578,660,269,648/220,889,940.03 - Step 6: Final answer
x = 168,041,055.45
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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.