Finding the Fourth Proportional to 61,534,606.65, 84,943,904.07 and 38,341,192.80
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Solution
The fourth proportional to 61,534,606.65, 84,943,904.07 and 38,341,192.80 is: 52,927,137.76
Step by Step Solution
- Step 1: Write the proportion equation
61,534,606.65 : 84,943,904.07 = 38,341,192.80 : x - Step 2: Convert to fraction form
61,534,606.65/84,943,904.07 = 38,341,192.80/x - Step 3: Cross multiply
61,534,606.65x = 84,943,904.07 × 38,341,192.80 - Step 4: Simplify right side
61,534,606.65x = 3,256,850,603,132,574 - Step 5: Solve for x
x = 3,256,850,603,132,574/61,534,606.65 - Step 6: Final answer
x = 52,927,137.76
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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.