Finding the Fourth Proportional to 176,768,664.48, 243,948,359.16 and 98,452,252.80
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Solution
The fourth proportional to 176,768,664.48, 243,948,359.16 and 98,452,252.80 is: 135,868,342.94
Step by Step Solution
- Step 1: Write the proportion equation
176,768,664.48 : 243,948,359.16 = 98,452,252.80 : x - Step 2: Convert to fraction form
176,768,664.48/243,948,359.16 = 98,452,252.80/x - Step 3: Cross multiply
176,768,664.48x = 243,948,359.16 × 98,452,252.80 - Step 4: Simplify right side
176,768,664.48x = 24,017,265,526,165,516 - Step 5: Solve for x
x = 24,017,265,526,165,516/176,768,664.48 - Step 6: Final answer
x = 135,868,342.94
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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.