Finding the Fourth Proportional to 84,549,701.98, 116,681,460.96 and 80,675,497.09
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Solution
The fourth proportional to 84,549,701.98, 116,681,460.96 and 80,675,497.09 is: 111,334,926.60
Step by Step Solution
- Step 1: Write the proportion equation
84,549,701.98 : 116,681,460.96 = 80,675,497.09 : x - Step 2: Convert to fraction form
84,549,701.98/116,681,460.96 = 80,675,497.09/x - Step 3: Cross multiply
84,549,701.98x = 116,681,460.96 × 80,675,497.09 - Step 4: Simplify right side
84,549,701.98x = 9,413,334,864,135,428 - Step 5: Solve for x
x = 9,413,334,864,135,428/84,549,701.98 - Step 6: Final answer
x = 111,334,926.60
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1.5x scale
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.