Finding the Fourth Proportional to 93,307,864.65, 128,767,945.83 and 50,923,744.91
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Solution
The fourth proportional to 93,307,864.65, 128,767,945.83 and 50,923,744.91 is: 70,276,455.80
Step by Step Solution
- Step 1: Write the proportion equation
93,307,864.65 : 128,767,945.83 = 50,923,744.91 : x - Step 2: Convert to fraction form
93,307,864.65/128,767,945.83 = 50,923,744.91/x - Step 3: Cross multiply
93,307,864.65x = 128,767,945.83 × 50,923,744.91 - Step 4: Simplify right side
93,307,864.65x = 6,557,346,025,679,694 - Step 5: Solve for x
x = 6,557,346,025,679,694/93,307,864.65 - Step 6: Final answer
x = 70,276,455.80
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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.