Finding the Fourth Proportional to 151,851,482.16, 209,553,927.84 and 82,235,248.08
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Solution
The fourth proportional to 151,851,482.16, 209,553,927.84 and 82,235,248.08 is: 113,484,037.15
Step by Step Solution
- Step 1: Write the proportion equation
151,851,482.16 : 209,553,927.84 = 82,235,248.08 : x - Step 2: Convert to fraction form
151,851,482.16/209,553,927.84 = 82,235,248.08/x - Step 3: Cross multiply
151,851,482.16x = 209,553,927.84 × 82,235,248.08 - Step 4: Simplify right side
151,851,482.16x = 17,232,719,242,060,818 - Step 5: Solve for x
x = 17,232,719,242,060,818/151,851,482.16 - Step 6: Final answer
x = 113,484,037.15
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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.