Finding the Fourth Proportional to 103,098,417.66, 154,545,476.33 and 48,413,111.09
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Solution
The fourth proportional to 103,098,417.66, 154,545,476.33 and 48,413,111.09 is: 72,571,698.80
Step by Step Solution
- Step 1: Write the proportion equation
103,098,417.66 : 154,545,476.33 = 48,413,111.09 : x - Step 2: Convert to fraction form
103,098,417.66/154,545,476.33 = 48,413,111.09/x - Step 3: Cross multiply
103,098,417.66x = 154,545,476.33 × 48,413,111.09 - Step 4: Simplify right side
103,098,417.66x = 7,482,027,313,369,562 - Step 5: Solve for x
x = 7,482,027,313,369,562/103,098,417.66 - Step 6: Final answer
x = 72,571,698.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.