Finding the Fourth Proportional to 236,845,948.80, 355,349,579.76 and 127,681,668.84
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Solution
The fourth proportional to 236,845,948.80, 355,349,579.76 and 127,681,668.84 is: 191,565,984.54
Step by Step Solution
- Step 1: Write the proportion equation
236,845,948.80 : 355,349,579.76 = 127,681,668.84 : x - Step 2: Convert to fraction form
236,845,948.80/355,349,579.76 = 127,681,668.84/x - Step 3: Cross multiply
236,845,948.80x = 355,349,579.76 × 127,681,668.84 - Step 4: Simplify right side
236,845,948.80x = 45,371,627,365,349,488 - Step 5: Solve for x
x = 45,371,627,365,349,488/236,845,948.80 - Step 6: Final answer
x = 191,565,984.54
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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.