Finding the Fourth Proportional to 201,475,095.30, 302,212,642.95 and 157,637,117.70
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Solution
The fourth proportional to 201,475,095.30, 302,212,642.95 and 157,637,117.70 is: 236,455,676.55
Step by Step Solution
- Step 1: Write the proportion equation
201,475,095.30 : 302,212,642.95 = 157,637,117.70 : x - Step 2: Convert to fraction form
201,475,095.30/302,212,642.95 = 157,637,117.70/x - Step 3: Cross multiply
201,475,095.30x = 302,212,642.95 × 157,637,117.70 - Step 4: Simplify right side
201,475,095.30x = 47,639,929,967,137,216 - Step 5: Solve for x
x = 47,639,929,967,137,216/201,475,095.30 - Step 6: Final answer
x = 236,455,676.55
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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.