Finding the Fourth Proportional to 291,701,967.04, 402,503,998.80 and 167,918,726.08
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Solution
The fourth proportional to 291,701,967.04, 402,503,998.80 and 167,918,726.08 is: 231,702,101.31
Step by Step Solution
- Step 1: Write the proportion equation
291,701,967.04 : 402,503,998.80 = 167,918,726.08 : x - Step 2: Convert to fraction form
291,701,967.04/402,503,998.80 = 167,918,726.08/x - Step 3: Cross multiply
291,701,967.04x = 402,503,998.80 × 167,918,726.08 - Step 4: Simplify right side
291,701,967.04x = 67,587,958,720,601,856 - Step 5: Solve for x
x = 67,587,958,720,601,856/291,701,967.04 - Step 6: Final answer
x = 231,702,101.31
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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.