Finding the Fourth Proportional to 97,963,364.68, 135,159,003.50 and 55,569,942.45
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Solution
The fourth proportional to 97,963,364.68, 135,159,003.50 and 55,569,942.45 is: 76,669,253.55
Step by Step Solution
- Step 1: Write the proportion equation
97,963,364.68 : 135,159,003.50 = 55,569,942.45 : x - Step 2: Convert to fraction form
97,963,364.68/135,159,003.50 = 55,569,942.45/x - Step 3: Cross multiply
97,963,364.68x = 135,159,003.50 × 55,569,942.45 - Step 4: Simplify right side
97,963,364.68x = 7,510,778,045,592,448 - Step 5: Solve for x
x = 7,510,778,045,592,448/97,963,364.68 - Step 6: Final answer
x = 76,669,253.55
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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.