Finding the Fourth Proportional to 156,794,621.70, 235,223,326.80 and 87,805,534.44
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Solution
The fourth proportional to 156,794,621.70, 235,223,326.80 and 87,805,534.44 is: 131,725,882.55
Step by Step Solution
- Step 1: Write the proportion equation
156,794,621.70 : 235,223,326.80 = 87,805,534.44 : x - Step 2: Convert to fraction form
156,794,621.70/235,223,326.80 = 87,805,534.44/x - Step 3: Cross multiply
156,794,621.70x = 235,223,326.80 × 87,805,534.44 - Step 4: Simplify right side
156,794,621.70x = 20,653,909,922,428,776 - Step 5: Solve for x
x = 20,653,909,922,428,776/156,794,621.70 - Step 6: Final answer
x = 131,725,882.55
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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.