Finding the Fourth Proportional to 134,700,336.24, 185,881,944.60 and 85,167,371.76
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Solution
The fourth proportional to 134,700,336.24, 185,881,944.60 and 85,167,371.76 is: 117,528,115.53
Step by Step Solution
- Step 1: Write the proportion equation
134,700,336.24 : 185,881,944.60 = 85,167,371.76 : x - Step 2: Convert to fraction form
134,700,336.24/185,881,944.60 = 85,167,371.76/x - Step 3: Cross multiply
134,700,336.24x = 185,881,944.60 × 85,167,371.76 - Step 4: Simplify right side
134,700,336.24x = 15,831,076,679,219,924 - Step 5: Solve for x
x = 15,831,076,679,219,924/134,700,336.24 - Step 6: Final answer
x = 117,528,115.53
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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.