Finding the Fourth Proportional to 70,633,781.96, 97,475,752.76 and 38,845,207.98
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Solution
The fourth proportional to 70,633,781.96, 97,475,752.76 and 38,845,207.98 is: 53,607,010.47
Step by Step Solution
- Step 1: Write the proportion equation
70,633,781.96 : 97,475,752.76 = 38,845,207.98 : x - Step 2: Convert to fraction form
70,633,781.96/97,475,752.76 = 38,845,207.98/x - Step 3: Cross multiply
70,633,781.96x = 97,475,752.76 × 38,845,207.98 - Step 4: Simplify right side
70,633,781.96x = 3,786,465,888,911,986 - Step 5: Solve for x
x = 3,786,465,888,911,986/70,633,781.96 - Step 6: Final answer
x = 53,607,010.47
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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.