Finding the Fourth Proportional to 153,473,315.20, 230,209,972.80 and 153,473,315.20
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Solution
The fourth proportional to 153,473,315.20, 230,209,972.80 and 153,473,315.20 is: 230,209,972.80
Step by Step Solution
- Step 1: Write the proportion equation
153,473,315.20 : 230,209,972.80 = 153,473,315.20 : x - Step 2: Convert to fraction form
153,473,315.20/230,209,972.80 = 153,473,315.20/x - Step 3: Cross multiply
153,473,315.20x = 230,209,972.80 × 153,473,315.20 - Step 4: Simplify right side
153,473,315.20x = 35,331,087,717,717,824 - Step 5: Solve for x
x = 35,331,087,717,717,824/153,473,315.20 - Step 6: Final answer
x = 230,209,972.80
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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.