Finding the Fourth Proportional to 97,880,816.95, 135,072,833.78 and 53,827,815.79
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Solution
The fourth proportional to 97,880,816.95, 135,072,833.78 and 53,827,815.79 is: 74,280,904.49
Step by Step Solution
- Step 1: Write the proportion equation
97,880,816.95 : 135,072,833.78 = 53,827,815.79 : x - Step 2: Convert to fraction form
97,880,816.95/135,072,833.78 = 53,827,815.79/x - Step 3: Cross multiply
97,880,816.95x = 135,072,833.78 × 53,827,815.79 - Step 4: Simplify right side
97,880,816.95x = 7,270,675,614,943,129 - Step 5: Solve for x
x = 7,270,675,614,943,129/97,880,816.95 - Step 6: Final answer
x = 74,280,904.49
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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.