Finding the Fourth Proportional to 212,018,860.80, 318,035,377.02 and 58,652,074.08
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Solution
The fourth proportional to 212,018,860.80, 318,035,377.02 and 58,652,074.08 is: 87,980,071.31
Step by Step Solution
- Step 1: Write the proportion equation
212,018,860.80 : 318,035,377.02 = 58,652,074.08 : x - Step 2: Convert to fraction form
212,018,860.80/318,035,377.02 = 58,652,074.08/x - Step 3: Cross multiply
212,018,860.80x = 318,035,377.02 × 58,652,074.08 - Step 4: Simplify right side
212,018,860.80x = 18,653,434,493,037,768 - Step 5: Solve for x
x = 18,653,434,493,037,768/212,018,860.80 - Step 6: Final answer
x = 87,980,071.31
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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.