Finding the Fourth Proportional to 77,441,503.08, 106,865,430.16 and 42,633,446.19
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Solution
The fourth proportional to 77,441,503.08, 106,865,430.16 and 42,633,446.19 is: 58,832,039.48
Step by Step Solution
- Step 1: Write the proportion equation
77,441,503.08 : 106,865,430.16 = 42,633,446.19 : x - Step 2: Convert to fraction form
77,441,503.08/106,865,430.16 = 42,633,446.19/x - Step 3: Cross multiply
77,441,503.08x = 106,865,430.16 × 42,633,446.19 - Step 4: Simplify right side
77,441,503.08x = 4,556,041,566,297,563 - Step 5: Solve for x
x = 4,556,041,566,297,563/77,441,503.08 - Step 6: Final answer
x = 58,832,039.48
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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.