Finding the Fourth Proportional to 220,657,466.34, 304,507,289.12 and 127,891,782.99
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Solution
The fourth proportional to 220,657,466.34, 304,507,289.12 and 127,891,782.99 is: 176,490,652.16
Step by Step Solution
- Step 1: Write the proportion equation
220,657,466.34 : 304,507,289.12 = 127,891,782.99 : x - Step 2: Convert to fraction form
220,657,466.34/304,507,289.12 = 127,891,782.99/x - Step 3: Cross multiply
220,657,466.34x = 304,507,289.12 × 127,891,782.99 - Step 4: Simplify right side
220,657,466.34x = 38,943,980,138,368,768 - Step 5: Solve for x
x = 38,943,980,138,368,768/220,657,466.34 - Step 6: Final answer
x = 176,490,652.16
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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.