Finding the Fourth Proportional to 77,564,910.67, 107,035,708.30 and 44,069,965.53
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Solution
The fourth proportional to 77,564,910.67, 107,035,708.30 and 44,069,965.53 is: 60,814,354.51
Step by Step Solution
- Step 1: Write the proportion equation
77,564,910.67 : 107,035,708.30 = 44,069,965.53 : x - Step 2: Convert to fraction form
77,564,910.67/107,035,708.30 = 44,069,965.53/x - Step 3: Cross multiply
77,564,910.67x = 107,035,708.30 × 44,069,965.53 - Step 4: Simplify right side
77,564,910.67x = 4,717,059,975,260,135 - Step 5: Solve for x
x = 4,717,059,975,260,135/77,564,910.67 - Step 6: Final answer
x = 60,814,354.51
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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.