Finding the Fourth Proportional to 94,908,929.80, 142,363,394.70 and 84,831,233.80
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Solution
The fourth proportional to 94,908,929.80, 142,363,394.70 and 84,831,233.80 is: 127,246,850.70
Step by Step Solution
- Step 1: Write the proportion equation
94,908,929.80 : 142,363,394.70 = 84,831,233.80 : x - Step 2: Convert to fraction form
94,908,929.80/142,363,394.70 = 84,831,233.80/x - Step 3: Cross multiply
94,908,929.80x = 142,363,394.70 × 84,831,233.80 - Step 4: Simplify right side
94,908,929.80x = 12,076,862,420,357,380 - Step 5: Solve for x
x = 12,076,862,420,357,380/94,908,929.80 - Step 6: Final answer
x = 127,246,850.70
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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.