Finding the Fourth Proportional to 176,695,642.08, 243,299,191.68 and 176,185,458.72
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Solution
The fourth proportional to 176,695,642.08, 243,299,191.68 and 176,185,458.72 is: 242,596,700.11
Step by Step Solution
- Step 1: Write the proportion equation
176,695,642.08 : 243,299,191.68 = 176,185,458.72 : x - Step 2: Convert to fraction form
176,695,642.08/243,299,191.68 = 176,185,458.72/x - Step 3: Cross multiply
176,695,642.08x = 243,299,191.68 × 176,185,458.72 - Step 4: Simplify right side
176,695,642.08x = 42,865,779,692,346,008 - Step 5: Solve for x
x = 42,865,779,692,346,008/176,695,642.08 - Step 6: Final answer
x = 242,596,700.11
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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.