Finding the Fourth Proportional to 330,222,737.70, 495,334,106.55 and 84,578,897.70
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Solution
The fourth proportional to 330,222,737.70, 495,334,106.55 and 84,578,897.70 is: 126,868,346.55
Step by Step Solution
- Step 1: Write the proportion equation
330,222,737.70 : 495,334,106.55 = 84,578,897.70 : x - Step 2: Convert to fraction form
330,222,737.70/495,334,106.55 = 84,578,897.70/x - Step 3: Cross multiply
330,222,737.70x = 495,334,106.55 × 84,578,897.70 - Step 4: Simplify right side
330,222,737.70x = 41,894,812,725,213,352 - Step 5: Solve for x
x = 41,894,812,725,213,352/330,222,737.70 - Step 6: Final answer
x = 126,868,346.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.