Finding the Fourth Proportional to 165,402,292.15, 248,103,438.23 and 157,466,106.55
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Solution
The fourth proportional to 165,402,292.15, 248,103,438.23 and 157,466,106.55 is: 236,199,159.83
Step by Step Solution
- Step 1: Write the proportion equation
165,402,292.15 : 248,103,438.23 = 157,466,106.55 : x - Step 2: Convert to fraction form
165,402,292.15/248,103,438.23 = 157,466,106.55/x - Step 3: Cross multiply
165,402,292.15x = 248,103,438.23 × 157,466,106.55 - Step 4: Simplify right side
165,402,292.15x = 39,067,882,439,746,528 - Step 5: Solve for x
x = 39,067,882,439,746,528/165,402,292.15 - Step 6: Final answer
x = 236,199,159.83
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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.