Finding the Fourth Proportional to 141,778,850.80, 212,584,295.40 and 73,754,402.80
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Solution
The fourth proportional to 141,778,850.80, 212,584,295.40 and 73,754,402.80 is: 110,587,916.77
Step by Step Solution
- Step 1: Write the proportion equation
141,778,850.80 : 212,584,295.40 = 73,754,402.80 : x - Step 2: Convert to fraction form
141,778,850.80/212,584,295.40 = 73,754,402.80/x - Step 3: Cross multiply
141,778,850.80x = 212,584,295.40 × 73,754,402.80 - Step 4: Simplify right side
141,778,850.80x = 15,679,027,751,885,786 - Step 5: Solve for x
x = 15,679,027,751,885,786/141,778,850.80 - Step 6: Final answer
x = 110,587,916.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.