Finding the Fourth Proportional to 142,578,564.84, 213,833,603.70 and 65,827,850.76
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Solution
The fourth proportional to 142,578,564.84, 213,833,603.70 and 65,827,850.76 is: 98,725,966.05
Step by Step Solution
- Step 1: Write the proportion equation
142,578,564.84 : 213,833,603.70 = 65,827,850.76 : x - Step 2: Convert to fraction form
142,578,564.84/213,833,603.70 = 65,827,850.76/x - Step 3: Cross multiply
142,578,564.84x = 213,833,603.70 × 65,827,850.76 - Step 4: Simplify right side
142,578,564.84x = 14,076,206,551,836,582 - Step 5: Solve for x
x = 14,076,206,551,836,582/142,578,564.84 - Step 6: Final answer
x = 98,725,966.05
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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.