Finding the Fourth Proportional to 180,255,948.80, 248,753,275.20 and 97,749,711.36
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Solution
The fourth proportional to 180,255,948.80, 248,753,275.20 and 97,749,711.36 is: 134,894,637.39
Step by Step Solution
- Step 1: Write the proportion equation
180,255,948.80 : 248,753,275.20 = 97,749,711.36 : x - Step 2: Convert to fraction form
180,255,948.80/248,753,275.20 = 97,749,711.36/x - Step 3: Cross multiply
180,255,948.80x = 248,753,275.20 × 97,749,711.36 - Step 4: Simplify right side
180,255,948.80x = 24,315,560,850,654,644 - Step 5: Solve for x
x = 24,315,560,850,654,644/180,255,948.80 - Step 6: Final answer
x = 134,894,637.39
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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.