Finding the Fourth Proportional to 208,024,331.92, 286,935,349.14 and 133,778,758.07
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Solution
The fourth proportional to 208,024,331.92, 286,935,349.14 and 133,778,758.07 is: 184,525,792.25
Step by Step Solution
- Step 1: Write the proportion equation
208,024,331.92 : 286,935,349.14 = 133,778,758.07 : x - Step 2: Convert to fraction form
208,024,331.92/286,935,349.14 = 133,778,758.07/x - Step 3: Cross multiply
208,024,331.92x = 286,935,349.14 × 133,778,758.07 - Step 4: Simplify right side
208,024,331.92x = 38,385,854,653,662,144 - Step 5: Solve for x
x = 38,385,854,653,662,144/208,024,331.92 - Step 6: Final answer
x = 184,525,792.25
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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.