Finding the Fourth Proportional to 147,684,548.80, 221,726,277.60 and 86,336,574.40
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Solution
The fourth proportional to 147,684,548.80, 221,726,277.60 and 86,336,574.40 is: 129,621,462.90
Step by Step Solution
- Step 1: Write the proportion equation
147,684,548.80 : 221,726,277.60 = 86,336,574.40 : x - Step 2: Convert to fraction form
147,684,548.80/221,726,277.60 = 86,336,574.40/x - Step 3: Cross multiply
147,684,548.80x = 221,726,277.60 × 86,336,574.40 - Step 4: Simplify right side
147,684,548.80x = 19,143,087,262,447,456 - Step 5: Solve for x
x = 19,143,087,262,447,456/147,684,548.80 - Step 6: Final answer
x = 129,621,462.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.