Finding the Fourth Proportional to 292,549,724.80, 403,719,159.76 and 158,587,226.80
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Solution
The fourth proportional to 292,549,724.80, 403,719,159.76 and 158,587,226.80 is: 218,850,665.46
Step by Step Solution
- Step 1: Write the proportion equation
292,549,724.80 : 403,719,159.76 = 158,587,226.80 : x - Step 2: Convert to fraction form
292,549,724.80/403,719,159.76 = 158,587,226.80/x - Step 3: Cross multiply
292,549,724.80x = 403,719,159.76 × 158,587,226.80 - Step 4: Simplify right side
292,549,724.80x = 64,024,701,950,958,792 - Step 5: Solve for x
x = 64,024,701,950,958,792/292,549,724.80 - Step 6: Final answer
x = 218,850,665.46
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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.