Finding the Fourth Proportional to 239,354,633.55, 330,295,159.11 and 138,875,286.84
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Solution
The fourth proportional to 239,354,633.55, 330,295,159.11 and 138,875,286.84 is: 191,639,636.48
Step by Step Solution
- Step 1: Write the proportion equation
239,354,633.55 : 330,295,159.11 = 138,875,286.84 : x - Step 2: Convert to fraction form
239,354,633.55/330,295,159.11 = 138,875,286.84/x - Step 3: Cross multiply
239,354,633.55x = 330,295,159.11 × 138,875,286.84 - Step 4: Simplify right side
239,354,633.55x = 45,869,834,963,264,696 - Step 5: Solve for x
x = 45,869,834,963,264,696/239,354,633.55 - Step 6: Final answer
x = 191,639,636.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.