Finding the Fourth Proportional to 128,545,304.19, 192,792,848.91 and 41,083,360.08
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Solution
The fourth proportional to 128,545,304.19, 192,792,848.91 and 41,083,360.08 is: 61,617,015.75
Step by Step Solution
- Step 1: Write the proportion equation
128,545,304.19 : 192,792,848.91 = 41,083,360.08 : x - Step 2: Convert to fraction form
128,545,304.19/192,792,848.91 = 41,083,360.08/x - Step 3: Cross multiply
128,545,304.19x = 192,792,848.91 × 41,083,360.08 - Step 4: Simplify right side
128,545,304.19x = 7,920,578,032,618,565 - Step 5: Solve for x
x = 7,920,578,032,618,565/128,545,304.19 - Step 6: Final answer
x = 61,617,015.75
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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.