Finding the Fourth Proportional to 51,947,624.67, 77,766,088.93 and 31,415,204.81
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Solution
The fourth proportional to 51,947,624.67, 77,766,088.93 and 31,415,204.81 is: 47,028,860.82
Step by Step Solution
- Step 1: Write the proportion equation
51,947,624.67 : 77,766,088.93 = 31,415,204.81 : x - Step 2: Convert to fraction form
51,947,624.67/77,766,088.93 = 31,415,204.81/x - Step 3: Cross multiply
51,947,624.67x = 77,766,088.93 × 31,415,204.81 - Step 4: Simplify right side
51,947,624.67x = 2,443,037,610,832,878 - Step 5: Solve for x
x = 2,443,037,610,832,878/51,947,624.67 - Step 6: Final answer
x = 47,028,860.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.