Finding the Fourth Proportional to 130,512,419.88, 180,056,166.66 and 74,728,029.48
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Solution
The fourth proportional to 130,512,419.88, 180,056,166.66 and 74,728,029.48 is: 103,095,494.99
Step by Step Solution
- Step 1: Write the proportion equation
130,512,419.88 : 180,056,166.66 = 74,728,029.48 : x - Step 2: Convert to fraction form
130,512,419.88/180,056,166.66 = 74,728,029.48/x - Step 3: Cross multiply
130,512,419.88x = 180,056,166.66 × 74,728,029.48 - Step 4: Simplify right side
130,512,419.88x = 13,455,242,530,224,274 - Step 5: Solve for x
x = 13,455,242,530,224,274/130,512,419.88 - Step 6: Final answer
x = 103,095,494.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.