Finding the Fourth Proportional to 78,885,691.13, 118,341,251.71 and 24,298,251.26
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Solution
The fourth proportional to 78,885,691.13, 118,341,251.71 and 24,298,251.26 is: 36,451,293.35
Step by Step Solution
- Step 1: Write the proportion equation
78,885,691.13 : 118,341,251.71 = 24,298,251.26 : x - Step 2: Convert to fraction form
78,885,691.13/118,341,251.71 = 24,298,251.26/x - Step 3: Cross multiply
78,885,691.13x = 118,341,251.71 × 24,298,251.26 - Step 4: Simplify right side
78,885,691.13x = 2,875,485,468,646,846.50 - Step 5: Solve for x
x = 2,875,485,468,646,846.50/78,885,691.13 - Step 6: Final answer
x = 36,451,293.35
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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.