Finding the Fourth Proportional to 108,670,702.20, 163,006,053.30 and 97,921,159.80
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Solution
The fourth proportional to 108,670,702.20, 163,006,053.30 and 97,921,159.80 is: 146,881,739.70
Step by Step Solution
- Step 1: Write the proportion equation
108,670,702.20 : 163,006,053.30 = 97,921,159.80 : x - Step 2: Convert to fraction form
108,670,702.20/163,006,053.30 = 97,921,159.80/x - Step 3: Cross multiply
108,670,702.20x = 163,006,053.30 × 97,921,159.80 - Step 4: Simplify right side
108,670,702.20x = 15,961,741,793,556,618 - Step 5: Solve for x
x = 15,961,741,793,556,618/108,670,702.20 - Step 6: Final answer
x = 146,881,739.70
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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.