Finding the Fourth Proportional to 342,943,962.18, 473,265,993.26 and 186,312,192.23
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Solution
The fourth proportional to 342,943,962.18, 473,265,993.26 and 186,312,192.23 is: 257,112,631.90
Step by Step Solution
- Step 1: Write the proportion equation
342,943,962.18 : 473,265,993.26 = 186,312,192.23 : x - Step 2: Convert to fraction form
342,943,962.18/473,265,993.26 = 186,312,192.23/x - Step 3: Cross multiply
342,943,962.18x = 473,265,993.26 × 186,312,192.23 - Step 4: Simplify right side
342,943,962.18x = 88,175,224,710,278,448 - Step 5: Solve for x
x = 88,175,224,710,278,448/342,943,962.18 - Step 6: Final answer
x = 257,112,631.90
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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.