Finding the Fourth Proportional to 97,864,688.80, 146,909,007.60 and 57,497,917.60
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Solution
The fourth proportional to 97,864,688.80, 146,909,007.60 and 57,497,917.60 is: 86,312,664.12
Step by Step Solution
- Step 1: Write the proportion equation
97,864,688.80 : 146,909,007.60 = 57,497,917.60 : x - Step 2: Convert to fraction form
97,864,688.80/146,909,007.60 = 57,497,917.60/x - Step 3: Cross multiply
97,864,688.80x = 146,909,007.60 × 57,497,917.60 - Step 4: Simplify right side
97,864,688.80x = 8,446,962,013,682,574 - Step 5: Solve for x
x = 8,446,962,013,682,574/97,864,688.80 - Step 6: Final answer
x = 86,312,664.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.