Finding the Fourth Proportional to 201,473,487.30, 302,210,230.95 and 157,635,509.70
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Solution
The fourth proportional to 201,473,487.30, 302,210,230.95 and 157,635,509.70 is: 236,453,264.55
Step by Step Solution
- Step 1: Write the proportion equation
201,473,487.30 : 302,210,230.95 = 157,635,509.70 : x - Step 2: Convert to fraction form
201,473,487.30/302,210,230.95 = 157,635,509.70/x - Step 3: Cross multiply
201,473,487.30x = 302,210,230.95 × 157,635,509.70 - Step 4: Simplify right side
201,473,487.30x = 47,639,063,792,357,960 - Step 5: Solve for x
x = 47,639,063,792,357,960/201,473,487.30 - Step 6: Final answer
x = 236,453,264.55
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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.