Finding the Fourth Proportional to 67,417,457.64, 93,038,726.16 and 38,049,805.68
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Solution
The fourth proportional to 67,417,457.64, 93,038,726.16 and 38,049,805.68 is: 52,510,218.79
Step by Step Solution
- Step 1: Write the proportion equation
67,417,457.64 : 93,038,726.16 = 38,049,805.68 : x - Step 2: Convert to fraction form
67,417,457.64/93,038,726.16 = 38,049,805.68/x - Step 3: Cross multiply
67,417,457.64x = 93,038,726.16 × 38,049,805.68 - Step 4: Simplify right side
67,417,457.64x = 3,540,105,451,102,732.50 - Step 5: Solve for x
x = 3,540,105,451,102,732.50/67,417,457.64 - Step 6: Final answer
x = 52,510,218.79
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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.