Finding the Fourth Proportional to 118,221,463.02, 163,172,819.07 and 69,344,637.42
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Solution
The fourth proportional to 118,221,463.02, 163,172,819.07 and 69,344,637.42 is: 95,711,554.28
Step by Step Solution
- Step 1: Write the proportion equation
118,221,463.02 : 163,172,819.07 = 69,344,637.42 : x - Step 2: Convert to fraction form
118,221,463.02/163,172,819.07 = 69,344,637.42/x - Step 3: Cross multiply
118,221,463.02x = 163,172,819.07 × 69,344,637.42 - Step 4: Simplify right side
118,221,463.02x = 11,315,159,975,208,412 - Step 5: Solve for x
x = 11,315,159,975,208,412/118,221,463.02 - Step 6: Final answer
x = 95,711,554.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.