Finding the Fourth Proportional to 291,230,226.18, 436,846,972.35 and 97,141,108.54
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Solution
The fourth proportional to 291,230,226.18, 436,846,972.35 and 97,141,108.54 is: 145,712,207.53
Step by Step Solution
- Step 1: Write the proportion equation
291,230,226.18 : 436,846,972.35 = 97,141,108.54 : x - Step 2: Convert to fraction form
291,230,226.18/436,846,972.35 = 97,141,108.54/x - Step 3: Cross multiply
291,230,226.18x = 436,846,972.35 × 97,141,108.54 - Step 4: Simplify right side
291,230,226.18x = 42,435,799,156,421,736 - Step 5: Solve for x
x = 42,435,799,156,421,736/291,230,226.18 - Step 6: Final answer
x = 145,712,207.53
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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.