Finding the Fourth Proportional to 124,993,502.25, 172,492,412.36 and 69,239,776.65
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Solution
The fourth proportional to 124,993,502.25, 172,492,412.36 and 69,239,776.65 is: 95,551,655.81
Step by Step Solution
- Step 1: Write the proportion equation
124,993,502.25 : 172,492,412.36 = 69,239,776.65 : x - Step 2: Convert to fraction form
124,993,502.25/172,492,412.36 = 69,239,776.65/x - Step 3: Cross multiply
124,993,502.25x = 172,492,412.36 × 69,239,776.65 - Step 4: Simplify right side
124,993,502.25x = 11,943,336,105,279,900 - Step 5: Solve for x
x = 11,943,336,105,279,900/124,993,502.25 - Step 6: Final answer
x = 95,551,655.81
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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.