Finding the Fourth Proportional to 70,449,709.20, 97,221,302.92 and 39,509,214.20
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Solution
The fourth proportional to 70,449,709.20, 97,221,302.92 and 39,509,214.20 is: 54,523,110.53
Step by Step Solution
- Step 1: Write the proportion equation
70,449,709.20 : 97,221,302.92 = 39,509,214.20 : x - Step 2: Convert to fraction form
70,449,709.20/97,221,302.92 = 39,509,214.20/x - Step 3: Cross multiply
70,449,709.20x = 97,221,302.92 × 39,509,214.20 - Step 4: Simplify right side
70,449,709.20x = 3,841,137,281,869,366 - Step 5: Solve for x
x = 3,841,137,281,869,366/70,449,709.20 - Step 6: Final answer
x = 54,523,110.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.