Finding the Fourth Proportional to 210,095,836.36, 315,186,272 and 73,791,848.68
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Solution
The fourth proportional to 210,095,836.36, 315,186,272 and 73,791,848.68 is: 110,702,706.40
Step by Step Solution
- Step 1: Write the proportion equation
210,095,836.36 : 315,186,272 = 73,791,848.68 : x - Step 2: Convert to fraction form
210,095,836.36/315,186,272 = 73,791,848.68/x - Step 3: Cross multiply
210,095,836.36x = 315,186,272 × 73,791,848.68 - Step 4: Simplify right side
210,095,836.36x = 23,258,177,689,437,324 - Step 5: Solve for x
x = 23,258,177,689,437,324/210,095,836.36 - Step 6: Final answer
x = 110,702,706.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.