Finding the Fourth Proportional to 442,888,125.10, 664,332,187.65 and 115,363,005.10
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Solution
The fourth proportional to 442,888,125.10, 664,332,187.65 and 115,363,005.10 is: 173,044,507.65
Step by Step Solution
- Step 1: Write the proportion equation
442,888,125.10 : 664,332,187.65 = 115,363,005.10 : x - Step 2: Convert to fraction form
442,888,125.10/664,332,187.65 = 115,363,005.10/x - Step 3: Cross multiply
442,888,125.10x = 664,332,187.65 × 115,363,005.10 - Step 4: Simplify right side
442,888,125.10x = 76,639,357,551,961,104 - Step 5: Solve for x
x = 76,639,357,551,961,104/442,888,125.10 - Step 6: Final answer
x = 173,044,507.65
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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.