Finding the Fourth Proportional to 97,743,515.20, 134,878,184.64 and 56,493,079.36
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Solution
The fourth proportional to 97,743,515.20, 134,878,184.64 and 56,493,079.36 is: 77,955,902.99
Step by Step Solution
- Step 1: Write the proportion equation
97,743,515.20 : 134,878,184.64 = 56,493,079.36 : x - Step 2: Convert to fraction form
97,743,515.20/134,878,184.64 = 56,493,079.36/x - Step 3: Cross multiply
97,743,515.20x = 134,878,184.64 × 56,493,079.36 - Step 4: Simplify right side
97,743,515.20x = 7,619,683,988,800,252 - Step 5: Solve for x
x = 7,619,683,988,800,252/97,743,515.20 - Step 6: Final answer
x = 77,955,902.99
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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.