Finding the Fourth Proportional to 309,459,588.68, 427,056,483.68 and 168,332,027.60
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Solution
The fourth proportional to 309,459,588.68, 427,056,483.68 and 168,332,027.60 is: 232,299,422.69
Step by Step Solution
- Step 1: Write the proportion equation
309,459,588.68 : 427,056,483.68 = 168,332,027.60 : x - Step 2: Convert to fraction form
309,459,588.68/427,056,483.68 = 168,332,027.60/x - Step 3: Cross multiply
309,459,588.68x = 427,056,483.68 × 168,332,027.60 - Step 4: Simplify right side
309,459,588.68x = 71,887,283,797,580,712 - Step 5: Solve for x
x = 71,887,283,797,580,712/309,459,588.68 - Step 6: Final answer
x = 232,299,422.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.