Finding the Fourth Proportional to 157,464,848.20, 236,197,272.30 and 140,246,159.80
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Solution
The fourth proportional to 157,464,848.20, 236,197,272.30 and 140,246,159.80 is: 210,369,239.70
Step by Step Solution
- Step 1: Write the proportion equation
157,464,848.20 : 236,197,272.30 = 140,246,159.80 : x - Step 2: Convert to fraction form
157,464,848.20/236,197,272.30 = 140,246,159.80/x - Step 3: Cross multiply
157,464,848.20x = 236,197,272.30 × 140,246,159.80 - Step 4: Simplify right side
157,464,848.20x = 33,125,760,395,309,920 - Step 5: Solve for x
x = 33,125,760,395,309,920/157,464,848.20 - Step 6: Final answer
x = 210,369,239.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.