Finding the Fourth Proportional to 107,963,924.56, 148,986,510.24 and 61,569,110.68
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Solution
The fourth proportional to 107,963,924.56, 148,986,510.24 and 61,569,110.68 is: 84,963,259.50
Step by Step Solution
- Step 1: Write the proportion equation
107,963,924.56 : 148,986,510.24 = 61,569,110.68 : x - Step 2: Convert to fraction form
107,963,924.56/148,986,510.24 = 61,569,110.68/x - Step 3: Cross multiply
107,963,924.56x = 148,986,510.24 × 61,569,110.68 - Step 4: Simplify right side
107,963,924.56x = 9,172,966,938,793,514 - Step 5: Solve for x
x = 9,172,966,938,793,514/107,963,924.56 - Step 6: Final answer
x = 84,963,259.50
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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.