Finding the Fourth Proportional to 153,382,668.84, 211,673,306.24 and 90,712,488.92
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Solution
The fourth proportional to 153,382,668.84, 211,673,306.24 and 90,712,488.92 is: 125,186,323.80
Step by Step Solution
- Step 1: Write the proportion equation
153,382,668.84 : 211,673,306.24 = 90,712,488.92 : x - Step 2: Convert to fraction form
153,382,668.84/211,673,306.24 = 90,712,488.92/x - Step 3: Cross multiply
153,382,668.84x = 211,673,306.24 × 90,712,488.92 - Step 4: Simplify right side
153,382,668.84x = 19,201,412,446,955,768 - Step 5: Solve for x
x = 19,201,412,446,955,768/153,382,668.84 - Step 6: Final answer
x = 125,186,323.80
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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.