Finding the Fourth Proportional to 180,408,423.48, 248,963,787.20 and 97,902,209.04
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Solution
The fourth proportional to 180,408,423.48, 248,963,787.20 and 97,902,209.04 is: 135,105,136.82
Step by Step Solution
- Step 1: Write the proportion equation
180,408,423.48 : 248,963,787.20 = 97,902,209.04 : x - Step 2: Convert to fraction form
180,408,423.48/248,963,787.20 = 97,902,209.04/x - Step 3: Cross multiply
180,408,423.48x = 248,963,787.20 × 97,902,209.04 - Step 4: Simplify right side
180,408,423.48x = 24,374,104,737,844,476 - Step 5: Solve for x
x = 24,374,104,737,844,476/180,408,423.48 - Step 6: Final answer
x = 135,105,136.82
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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.