Finding the Fourth Proportional to 207,838,652.14, 286,805,669.97 and 113,752,606.69
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Solution
The fourth proportional to 207,838,652.14, 286,805,669.97 and 113,752,606.69 is: 156,972,210.11
Step by Step Solution
- Step 1: Write the proportion equation
207,838,652.14 : 286,805,669.97 = 113,752,606.69 : x - Step 2: Convert to fraction form
207,838,652.14/286,805,669.97 = 113,752,606.69/x - Step 3: Cross multiply
207,838,652.14x = 286,805,669.97 × 113,752,606.69 - Step 4: Simplify right side
207,838,652.14x = 32,624,892,572,559,356 - Step 5: Solve for x
x = 32,624,892,572,559,356/207,838,652.14 - Step 6: Final answer
x = 156,972,210.11
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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.