Finding the Fourth Proportional to 161,838,168.60, 242,757,252.90 and 160,704,427.80
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Solution
The fourth proportional to 161,838,168.60, 242,757,252.90 and 160,704,427.80 is: 241,056,641.70
Step by Step Solution
- Step 1: Write the proportion equation
161,838,168.60 : 242,757,252.90 = 160,704,427.80 : x - Step 2: Convert to fraction form
161,838,168.60/242,757,252.90 = 160,704,427.80/x - Step 3: Cross multiply
161,838,168.60x = 242,757,252.90 × 160,704,427.80 - Step 4: Simplify right side
161,838,168.60x = 39,012,165,421,594,392 - Step 5: Solve for x
x = 39,012,165,421,594,392/161,838,168.60 - Step 6: Final answer
x = 241,056,641.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.