Finding the Fourth Proportional to 128,857,446, 177,823,304.64 and 70,910,694
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Solution
The fourth proportional to 128,857,446, 177,823,304.64 and 70,910,694 is: 97,856,773.77
Step by Step Solution
- Step 1: Write the proportion equation
128,857,446 : 177,823,304.64 = 70,910,694 : x - Step 2: Convert to fraction form
128,857,446/177,823,304.64 = 70,910,694/x - Step 3: Cross multiply
128,857,446x = 177,823,304.64 × 70,910,694 - Step 4: Simplify right side
128,857,446x = 12,609,573,941,395,820 - Step 5: Solve for x
x = 12,609,573,941,395,820/128,857,446 - Step 6: Final answer
x = 97,856,773.77
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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.