Finding the Fourth Proportional to 117,338,328.40, 176,175,454.20 and 66,319,992.40
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Solution
The fourth proportional to 117,338,328.40, 176,175,454.20 and 66,319,992.40 is: 99,574,921.02
Step by Step Solution
- Step 1: Write the proportion equation
117,338,328.40 : 176,175,454.20 = 66,319,992.40 : x - Step 2: Convert to fraction form
117,338,328.40/176,175,454.20 = 66,319,992.40/x - Step 3: Cross multiply
117,338,328.40x = 176,175,454.20 × 66,319,992.40 - Step 4: Simplify right side
117,338,328.40x = 11,683,954,783,610,548 - Step 5: Solve for x
x = 11,683,954,783,610,548/117,338,328.40 - Step 6: Final answer
x = 99,574,921.02
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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.