Finding the Fourth Proportional to 98,059,670.92, 135,312,331.80 and 60,376,850.92
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Solution
The fourth proportional to 98,059,670.92, 135,312,331.80 and 60,376,850.92 is: 83,313,888.45
Step by Step Solution
- Step 1: Write the proportion equation
98,059,670.92 : 135,312,331.80 = 60,376,850.92 : x - Step 2: Convert to fraction form
98,059,670.92/135,312,331.80 = 60,376,850.92/x - Step 3: Cross multiply
98,059,670.92x = 135,312,331.80 × 60,376,850.92 - Step 4: Simplify right side
98,059,670.92x = 8,169,732,484,726,176 - Step 5: Solve for x
x = 8,169,732,484,726,176/98,059,670.92 - Step 6: Final answer
x = 83,313,888.45
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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.