Finding the Fourth Proportional to 86,920,881.60, 119,943,795.36 and 50,253,816
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Solution
The fourth proportional to 86,920,881.60, 119,943,795.36 and 50,253,816 is: 69,346,206.70
Step by Step Solution
- Step 1: Write the proportion equation
86,920,881.60 : 119,943,795.36 = 50,253,816 : x - Step 2: Convert to fraction form
86,920,881.60/119,943,795.36 = 50,253,816/x - Step 3: Cross multiply
86,920,881.60x = 119,943,795.36 × 50,253,816 - Step 4: Simplify right side
86,920,881.60x = 6,027,633,422,363,094 - Step 5: Solve for x
x = 6,027,633,422,363,094/86,920,881.60 - Step 6: Final answer
x = 69,346,206.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.