Finding the Fourth Proportional to 149,781,848.05, 206,699,230.35 and 83,702,346.38
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Solution
The fourth proportional to 149,781,848.05, 206,699,230.35 and 83,702,346.38 is: 115,509,394.50
Step by Step Solution
- Step 1: Write the proportion equation
149,781,848.05 : 206,699,230.35 = 83,702,346.38 : x - Step 2: Convert to fraction form
149,781,848.05/206,699,230.35 = 83,702,346.38/x - Step 3: Cross multiply
149,781,848.05x = 206,699,230.35 × 83,702,346.38 - Step 4: Simplify right side
149,781,848.05x = 17,301,210,575,235,108 - Step 5: Solve for x
x = 17,301,210,575,235,108/149,781,848.05 - Step 6: Final answer
x = 115,509,394.50
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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.