Finding the Fourth Proportional to 99,038,255.77, 136,667,457.86 and 54,982,417.09
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Solution
The fourth proportional to 99,038,255.77, 136,667,457.86 and 54,982,417.09 is: 75,872,773.73
Step by Step Solution
- Step 1: Write the proportion equation
99,038,255.77 : 136,667,457.86 = 54,982,417.09 : x - Step 2: Convert to fraction form
99,038,255.77/136,667,457.86 = 54,982,417.09/x - Step 3: Cross multiply
99,038,255.77x = 136,667,457.86 × 54,982,417.09 - Step 4: Simplify right side
99,038,255.77x = 7,514,307,170,484,307 - Step 5: Solve for x
x = 7,514,307,170,484,307/99,038,255.77 - Step 6: Final answer
x = 75,872,773.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.