Finding the Fourth Proportional to 139,168,588.19, 208,751,553.05 and 84,596,241.11
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Solution
The fourth proportional to 139,168,588.19, 208,751,553.05 and 84,596,241.11 is: 126,893,553.66
Step by Step Solution
- Step 1: Write the proportion equation
139,168,588.19 : 208,751,553.05 = 84,596,241.11 : x - Step 2: Convert to fraction form
139,168,588.19/208,751,553.05 = 84,596,241.11/x - Step 3: Cross multiply
139,168,588.19x = 208,751,553.05 × 84,596,241.11 - Step 4: Simplify right side
139,168,588.19x = 17,659,596,712,438,016 - Step 5: Solve for x
x = 17,659,596,712,438,016/139,168,588.19 - Step 6: Final answer
x = 126,893,553.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.