Finding the Fourth Proportional to 83,009,445.60, 124,532,830.80 and 48,913,240.80
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Solution
The fourth proportional to 83,009,445.60, 124,532,830.80 and 48,913,240.80 is: 73,380,858.00
Step by Step Solution
- Step 1: Write the proportion equation
83,009,445.60 : 124,532,830.80 = 48,913,240.80 : x - Step 2: Convert to fraction form
83,009,445.60/124,532,830.80 = 48,913,240.80/x - Step 3: Cross multiply
83,009,445.60x = 124,532,830.80 × 48,913,240.80 - Step 4: Simplify right side
83,009,445.60x = 6,091,304,340,426,056 - Step 5: Solve for x
x = 6,091,304,340,426,056/83,009,445.60 - Step 6: Final answer
x = 73,380,858.00
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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.