Finding the Fourth Proportional to 239,974,269.84, 359,980,068.24 and 78,432,535.44
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Solution
The fourth proportional to 239,974,269.84, 359,980,068.24 and 78,432,535.44 is: 117,654,903.08
Step by Step Solution
- Step 1: Write the proportion equation
239,974,269.84 : 359,980,068.24 = 78,432,535.44 : x - Step 2: Convert to fraction form
239,974,269.84/359,980,068.24 = 78,432,535.44/x - Step 3: Cross multiply
239,974,269.84x = 359,980,068.24 × 78,432,535.44 - Step 4: Simplify right side
239,974,269.84x = 28,234,149,459,927,420 - Step 5: Solve for x
x = 28,234,149,459,927,420/239,974,269.84 - Step 6: Final answer
x = 117,654,903.08
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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.