Finding the Fourth Proportional to 258,169,216.16, 387,368,182.28 and 135,318,337.48
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Solution
The fourth proportional to 258,169,216.16, 387,368,182.28 and 135,318,337.48 is: 203,037,446.52
Step by Step Solution
- Step 1: Write the proportion equation
258,169,216.16 : 387,368,182.28 = 135,318,337.48 : x - Step 2: Convert to fraction form
258,169,216.16/387,368,182.28 = 135,318,337.48/x - Step 3: Cross multiply
258,169,216.16x = 387,368,182.28 × 135,318,337.48 - Step 4: Simplify right side
258,169,216.16x = 52,418,018,418,779,184 - Step 5: Solve for x
x = 52,418,018,418,779,184/258,169,216.16 - Step 6: Final answer
x = 203,037,446.52
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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.