Finding the Fourth Proportional to 107,875,836.54, 148,909,138.11 and 70,708,512
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Solution
The fourth proportional to 107,875,836.54, 148,909,138.11 and 70,708,512 is: 97,604,282.08
Step by Step Solution
- Step 1: Write the proportion equation
107,875,836.54 : 148,909,138.11 = 70,708,512 : x - Step 2: Convert to fraction form
107,875,836.54/148,909,138.11 = 70,708,512/x - Step 3: Cross multiply
107,875,836.54x = 148,909,138.11 × 70,708,512 - Step 4: Simplify right side
107,875,836.54x = 10,529,143,578,960,594 - Step 5: Solve for x
x = 10,529,143,578,960,594/107,875,836.54 - Step 6: Final answer
x = 97,604,282.08
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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.