Finding the Fourth Proportional to 86,242,948.04, 119,068,989.82 and 54,898,689.08
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Solution
The fourth proportional to 86,242,948.04, 119,068,989.82 and 54,898,689.08 is: 75,794,387.83
Step by Step Solution
- Step 1: Write the proportion equation
86,242,948.04 : 119,068,989.82 = 54,898,689.08 : x - Step 2: Convert to fraction form
86,242,948.04/119,068,989.82 = 54,898,689.08/x - Step 3: Cross multiply
86,242,948.04x = 119,068,989.82 × 54,898,689.08 - Step 4: Simplify right side
86,242,948.04x = 6,536,731,451,197,865 - Step 5: Solve for x
x = 6,536,731,451,197,865/86,242,948.04 - Step 6: Final answer
x = 75,794,387.83
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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.