Finding the Fourth Proportional to 65,278,772.80, 97,927,490.40 and 22,149,966.40
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Solution
The fourth proportional to 65,278,772.80, 97,927,490.40 and 22,149,966.40 is: 33,228,115.80
Step by Step Solution
- Step 1: Write the proportion equation
65,278,772.80 : 97,927,490.40 = 22,149,966.40 : x - Step 2: Convert to fraction form
65,278,772.80/97,927,490.40 = 22,149,966.40/x - Step 3: Cross multiply
65,278,772.80x = 97,927,490.40 × 22,149,966.40 - Step 4: Simplify right side
65,278,772.80x = 2,169,090,621,996,322.50 - Step 5: Solve for x
x = 2,169,090,621,996,322.50/65,278,772.80 - Step 6: Final answer
x = 33,228,115.80
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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.