Finding the Fourth Proportional to 156,688,155.60, 219,590,166 and 156,688,155.60
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Solution
The fourth proportional to 156,688,155.60, 219,590,166 and 156,688,155.60 is: 219,590,166
Step by Step Solution
- Step 1: Write the proportion equation
156,688,155.60 : 219,590,166 = 156,688,155.60 : x - Step 2: Convert to fraction form
156,688,155.60/219,590,166 = 156,688,155.60/x - Step 3: Cross multiply
156,688,155.60x = 219,590,166 × 156,688,155.60 - Step 4: Simplify right side
156,688,155.60x = 34,407,178,098,437,828 - Step 5: Solve for x
x = 34,407,178,098,437,828/156,688,155.60 - Step 6: Final answer
x = 219,590,166
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.