Finding the Fourth Proportional to 122,488,345.80, 183,750,014.70 and 36,215,569.80
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Solution
The fourth proportional to 122,488,345.80, 183,750,014.70 and 36,215,569.80 is: 54,328,527.66
Step by Step Solution
- Step 1: Write the proportion equation
122,488,345.80 : 183,750,014.70 = 36,215,569.80 : x - Step 2: Convert to fraction form
122,488,345.80/183,750,014.70 = 36,215,569.80/x - Step 3: Cross multiply
122,488,345.80x = 183,750,014.70 × 36,215,569.80 - Step 4: Simplify right side
122,488,345.80x = 6,654,611,483,118,875 - Step 5: Solve for x
x = 6,654,611,483,118,875/122,488,345.80 - Step 6: Final answer
x = 54,328,527.66
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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.