Finding the Fourth Proportional to 77,772,849.06, 116,643,438.48 and 28,571,792.18
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Solution
The fourth proportional to 77,772,849.06, 116,643,438.48 and 28,571,792.18 is: 42,851,870.84
Step by Step Solution
- Step 1: Write the proportion equation
77,772,849.06 : 116,643,438.48 = 28,571,792.18 : x - Step 2: Convert to fraction form
77,772,849.06/116,643,438.48 = 28,571,792.18/x - Step 3: Cross multiply
77,772,849.06x = 116,643,438.48 × 28,571,792.18 - Step 4: Simplify right side
77,772,849.06x = 3,332,712,082,935,102 - Step 5: Solve for x
x = 3,332,712,082,935,102/77,772,849.06 - Step 6: Final answer
x = 42,851,870.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.