Finding the Fourth Proportional to 135,960,413.60, 204,000,894.12 and 71,248,833.20
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Solution
The fourth proportional to 135,960,413.60, 204,000,894.12 and 71,248,833.20 is: 106,904,835.70
Step by Step Solution
- Step 1: Write the proportion equation
135,960,413.60 : 204,000,894.12 = 71,248,833.20 : x - Step 2: Convert to fraction form
135,960,413.60/204,000,894.12 = 71,248,833.20/x - Step 3: Cross multiply
135,960,413.60x = 204,000,894.12 × 71,248,833.20 - Step 4: Simplify right side
135,960,413.60x = 14,534,825,677,806,742 - Step 5: Solve for x
x = 14,534,825,677,806,742/135,960,413.60 - Step 6: Final answer
x = 106,904,835.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.