Finding the Fourth Proportional to 230,885,663.94, 318,618,278.10 and 125,038,219.50
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Solution
The fourth proportional to 230,885,663.94, 318,618,278.10 and 125,038,219.50 is: 172,550,610.18
Step by Step Solution
- Step 1: Write the proportion equation
230,885,663.94 : 318,618,278.10 = 125,038,219.50 : x - Step 2: Convert to fraction form
230,885,663.94/318,618,278.10 = 125,038,219.50/x - Step 3: Cross multiply
230,885,663.94x = 318,618,278.10 × 125,038,219.50 - Step 4: Simplify right side
230,885,663.94x = 39,839,462,193,779,848 - Step 5: Solve for x
x = 39,839,462,193,779,848/230,885,663.94 - Step 6: Final answer
x = 172,550,610.18
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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.