Finding the Fourth Proportional to 77,559,010.24, 107,031,408.03 and 42,752,281.95
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Solution
The fourth proportional to 77,559,010.24, 107,031,408.03 and 42,752,281.95 is: 58,998,134.70
Step by Step Solution
- Step 1: Write the proportion equation
77,559,010.24 : 107,031,408.03 = 42,752,281.95 : x - Step 2: Convert to fraction form
77,559,010.24/107,031,408.03 = 42,752,281.95/x - Step 3: Cross multiply
77,559,010.24x = 107,031,408.03 × 42,752,281.95 - Step 4: Simplify right side
77,559,010.24x = 4,575,836,933,604,054 - Step 5: Solve for x
x = 4,575,836,933,604,054/77,559,010.24 - Step 6: Final answer
x = 58,998,134.70
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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.