Finding the Fourth Proportional to 163,670,294.70, 245,505,442.05 and 42,501,746.70
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Solution
The fourth proportional to 163,670,294.70, 245,505,442.05 and 42,501,746.70 is: 63,752,620.05
Step by Step Solution
- Step 1: Write the proportion equation
163,670,294.70 : 245,505,442.05 = 42,501,746.70 : x - Step 2: Convert to fraction form
163,670,294.70/245,505,442.05 = 42,501,746.70/x - Step 3: Cross multiply
163,670,294.70x = 245,505,442.05 × 42,501,746.70 - Step 4: Simplify right side
163,670,294.70x = 10,434,410,111,480,630 - Step 5: Solve for x
x = 10,434,410,111,480,630/163,670,294.70 - Step 6: Final answer
x = 63,752,620.05
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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.