Finding the Fourth Proportional to 84,549,700.98, 116,681,459.58 and 80,675,496.09
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Solution
The fourth proportional to 84,549,700.98, 116,681,459.58 and 80,675,496.09 is: 111,334,925.22
Step by Step Solution
- Step 1: Write the proportion equation
84,549,700.98 : 116,681,459.58 = 80,675,496.09 : x - Step 2: Convert to fraction form
84,549,700.98/116,681,459.58 = 80,675,496.09/x - Step 3: Cross multiply
84,549,700.98x = 116,681,459.58 × 80,675,496.09 - Step 4: Simplify right side
84,549,700.98x = 9,413,334,636,121,784 - Step 5: Solve for x
x = 9,413,334,636,121,784/84,549,700.98 - Step 6: Final answer
x = 111,334,925.22
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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.