Finding the Fourth Proportional to 42,189,058.58, 63,599,803.54 and 39,376,728.99
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Solution
The fourth proportional to 42,189,058.58, 63,599,803.54 and 39,376,728.99 is: 59,360,230.17
Step by Step Solution
- Step 1: Write the proportion equation
42,189,058.58 : 63,599,803.54 = 39,376,728.99 : x - Step 2: Convert to fraction form
42,189,058.58/63,599,803.54 = 39,376,728.99/x - Step 3: Cross multiply
42,189,058.58x = 63,599,803.54 × 39,376,728.99 - Step 4: Simplify right side
42,189,058.58x = 2,504,352,227,713,381 - Step 5: Solve for x
x = 2,504,352,227,713,381/42,189,058.58 - Step 6: Final answer
x = 59,360,230.17
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.