Finding the Fourth Proportional to 86,509,810.48, 129,748,178.12 and 25,925,536.48
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Solution
The fourth proportional to 86,509,810.48, 129,748,178.12 and 25,925,536.48 is: 38,883,348.68
Step by Step Solution
- Step 1: Write the proportion equation
86,509,810.48 : 129,748,178.12 = 25,925,536.48 : x - Step 2: Convert to fraction form
86,509,810.48/129,748,178.12 = 25,925,536.48/x - Step 3: Cross multiply
86,509,810.48x = 129,748,178.12 × 25,925,536.48 - Step 4: Simplify right side
86,509,810.48x = 3,363,791,125,063,598 - Step 5: Solve for x
x = 3,363,791,125,063,598/86,509,810.48 - Step 6: Final answer
x = 38,883,348.68
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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.