Finding the Fourth Proportional to 101,035,267.40, 139,428,696.78 and 55,772,040.26
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Solution
The fourth proportional to 101,035,267.40, 139,428,696.78 and 55,772,040.26 is: 76,965,430.88
Step by Step Solution
- Step 1: Write the proportion equation
101,035,267.40 : 139,428,696.78 = 55,772,040.26 : x - Step 2: Convert to fraction form
101,035,267.40/139,428,696.78 = 55,772,040.26/x - Step 3: Cross multiply
101,035,267.40x = 139,428,696.78 × 55,772,040.26 - Step 4: Simplify right side
101,035,267.40x = 7,776,222,889,516,349 - Step 5: Solve for x
x = 7,776,222,889,516,349/101,035,267.40 - Step 6: Final answer
x = 76,965,430.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.