Finding the Fourth Proportional to 73,270,317.84, 101,114,484.77 and 40,230,277.91
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Solution
The fourth proportional to 73,270,317.84, 101,114,484.77 and 40,230,277.91 is: 55,518,577.54
Step by Step Solution
- Step 1: Write the proportion equation
73,270,317.84 : 101,114,484.77 = 40,230,277.91 : x - Step 2: Convert to fraction form
73,270,317.84/101,114,484.77 = 40,230,277.91/x - Step 3: Cross multiply
73,270,317.84x = 101,114,484.77 × 40,230,277.91 - Step 4: Simplify right side
73,270,317.84x = 4,067,863,822,316,839 - Step 5: Solve for x
x = 4,067,863,822,316,839/73,270,317.84 - Step 6: Final answer
x = 55,518,577.54
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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.