Finding the Fourth Proportional to 77,559,011.12, 107,031,409.24 and 42,752,282.82
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Solution
The fourth proportional to 77,559,011.12, 107,031,409.24 and 42,752,282.82 is: 58,998,135.90
Step by Step Solution
- Step 1: Write the proportion equation
77,559,011.12 : 107,031,409.24 = 42,752,282.82 : x - Step 2: Convert to fraction form
77,559,011.12/107,031,409.24 = 42,752,282.82/x - Step 3: Cross multiply
77,559,011.12x = 107,031,409.24 × 42,752,282.82 - Step 4: Simplify right side
77,559,011.12x = 4,575,837,078,451,641 - Step 5: Solve for x
x = 4,575,837,078,451,641/77,559,011.12 - Step 6: Final answer
x = 58,998,135.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.