Finding the Fourth Proportional to 102,832,277.06, 141,911,153.34 and 56,422,518.68
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Solution
The fourth proportional to 102,832,277.06, 141,911,153.34 and 56,422,518.68 is: 77,864,508.39
Step by Step Solution
- Step 1: Write the proportion equation
102,832,277.06 : 141,911,153.34 = 56,422,518.68 : x - Step 2: Convert to fraction form
102,832,277.06/141,911,153.34 = 56,422,518.68/x - Step 3: Cross multiply
102,832,277.06x = 141,911,153.34 × 56,422,518.68 - Step 4: Simplify right side
102,832,277.06x = 8,006,984,699,516,938 - Step 5: Solve for x
x = 8,006,984,699,516,938/102,832,277.06 - Step 6: Final answer
x = 77,864,508.39
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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.