Finding the Fourth Proportional to 61,353,664.68, 84,698,738.46 and 38,156,264.76
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Solution
The fourth proportional to 61,353,664.68, 84,698,738.46 and 38,156,264.76 is: 52,674,726.22
Step by Step Solution
- Step 1: Write the proportion equation
61,353,664.68 : 84,698,738.46 = 38,156,264.76 : x - Step 2: Convert to fraction form
61,353,664.68/84,698,738.46 = 38,156,264.76/x - Step 3: Cross multiply
61,353,664.68x = 84,698,738.46 × 38,156,264.76 - Step 4: Simplify right side
61,353,664.68x = 3,231,787,489,517,754 - Step 5: Solve for x
x = 3,231,787,489,517,754/61,353,664.68 - Step 6: Final answer
x = 52,674,726.22
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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.