Finding the Fourth Proportional to 143,579,805.42, 215,356,422.06 and 39,950,581.86
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Solution
The fourth proportional to 143,579,805.42, 215,356,422.06 and 39,950,581.86 is: 59,922,175.99
Step by Step Solution
- Step 1: Write the proportion equation
143,579,805.42 : 215,356,422.06 = 39,950,581.86 : x - Step 2: Convert to fraction form
143,579,805.42/215,356,422.06 = 39,950,581.86/x - Step 3: Cross multiply
143,579,805.42x = 215,356,422.06 × 39,950,581.86 - Step 4: Simplify right side
143,579,805.42x = 8,603,614,368,584,740 - Step 5: Solve for x
x = 8,603,614,368,584,740/143,579,805.42 - Step 6: Final answer
x = 59,922,175.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.