Finding the Fourth Proportional to 58,774,428.80, 88,138,574.40 and 22,363,481.60
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Solution
The fourth proportional to 58,774,428.80, 88,138,574.40 and 22,363,481.60 is: 33,536,444.80
Step by Step Solution
- Step 1: Write the proportion equation
58,774,428.80 : 88,138,574.40 = 22,363,481.60 : x - Step 2: Convert to fraction form
58,774,428.80/88,138,574.40 = 22,363,481.60/x - Step 3: Cross multiply
58,774,428.80x = 88,138,574.40 × 22,363,481.60 - Step 4: Simplify right side
58,774,428.80x = 1,971,085,386,844,631.25 - Step 5: Solve for x
x = 1,971,085,386,844,631.25/58,774,428.80 - Step 6: Final answer
x = 33,536,444.80
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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.