Finding the Fourth Proportional to 277,853,752.64, 416,840,815.08 and 83,748,929.60
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Solution
The fourth proportional to 277,853,752.64, 416,840,815.08 and 83,748,929.60 is: 125,641,535.32
Step by Step Solution
- Step 1: Write the proportion equation
277,853,752.64 : 416,840,815.08 = 83,748,929.60 : x - Step 2: Convert to fraction form
277,853,752.64/416,840,815.08 = 83,748,929.60/x - Step 3: Cross multiply
277,853,752.64x = 416,840,815.08 × 83,748,929.60 - Step 4: Simplify right side
277,853,752.64x = 34,909,972,076,541,536 - Step 5: Solve for x
x = 34,909,972,076,541,536/277,853,752.64 - Step 6: Final answer
x = 125,641,535.32
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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.