Finding the Fourth Proportional to 155,068,267.80, 232,602,401.70 and 97,672,639.80
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Solution
The fourth proportional to 155,068,267.80, 232,602,401.70 and 97,672,639.80 is: 146,508,959.70
Step by Step Solution
- Step 1: Write the proportion equation
155,068,267.80 : 232,602,401.70 = 97,672,639.80 : x - Step 2: Convert to fraction form
155,068,267.80/232,602,401.70 = 97,672,639.80/x - Step 3: Cross multiply
155,068,267.80x = 232,602,401.70 × 97,672,639.80 - Step 4: Simplify right side
155,068,267.80x = 22,718,890,597,859,004 - Step 5: Solve for x
x = 22,718,890,597,859,004/155,068,267.80 - Step 6: Final answer
x = 146,508,959.70
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1.5x scale
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.