Finding the Fourth Proportional to 210,026,263.23, 315,039,394.86 and 56,672,073.63
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Solution
The fourth proportional to 210,026,263.23, 315,039,394.86 and 56,672,073.63 is: 85,008,110.45
Step by Step Solution
- Step 1: Write the proportion equation
210,026,263.23 : 315,039,394.86 = 56,672,073.63 : x - Step 2: Convert to fraction form
210,026,263.23/315,039,394.86 = 56,672,073.63/x - Step 3: Cross multiply
210,026,263.23x = 315,039,394.86 × 56,672,073.63 - Step 4: Simplify right side
210,026,263.23x = 17,853,935,781,856,566 - Step 5: Solve for x
x = 17,853,935,781,856,566/210,026,263.23 - Step 6: Final answer
x = 85,008,110.45
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1.5x scale
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.