Finding the Fourth Proportional to 87,221,475.14, 120,366,442.82 and 48,064,653.11
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Solution
The fourth proportional to 87,221,475.14, 120,366,442.82 and 48,064,653.11 is: 66,329,666.07
Step by Step Solution
- Step 1: Write the proportion equation
87,221,475.14 : 120,366,442.82 = 48,064,653.11 : x - Step 2: Convert to fraction form
87,221,475.14/120,366,442.82 = 48,064,653.11/x - Step 3: Cross multiply
87,221,475.14x = 120,366,442.82 × 48,064,653.11 - Step 4: Simplify right side
87,221,475.14x = 5,785,371,319,746,279 - Step 5: Solve for x
x = 5,785,371,319,746,279/87,221,475.14 - Step 6: Final answer
x = 66,329,666.07
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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.