Finding the Fourth Proportional to 130,146,117.12, 179,601,982.68 and 70,607,410.14
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Solution
The fourth proportional to 130,146,117.12, 179,601,982.68 and 70,607,410.14 is: 97,438,411.02
Step by Step Solution
- Step 1: Write the proportion equation
130,146,117.12 : 179,601,982.68 = 70,607,410.14 : x - Step 2: Convert to fraction form
130,146,117.12/179,601,982.68 = 70,607,410.14/x - Step 3: Cross multiply
130,146,117.12x = 179,601,982.68 × 70,607,410.14 - Step 4: Simplify right side
130,146,117.12x = 12,681,230,853,043,936 - Step 5: Solve for x
x = 12,681,230,853,043,936/130,146,117.12 - Step 6: Final answer
x = 97,438,411.02
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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.