Finding the Fourth Proportional to 83,881,038.69, 115,696,204.61 and 55,989,686.40
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Solution
The fourth proportional to 83,881,038.69, 115,696,204.61 and 55,989,686.40 is: 77,225,965.66
Step by Step Solution
- Step 1: Write the proportion equation
83,881,038.69 : 115,696,204.61 = 55,989,686.40 : x - Step 2: Convert to fraction form
83,881,038.69/115,696,204.61 = 55,989,686.40/x - Step 3: Cross multiply
83,881,038.69x = 115,696,204.61 × 55,989,686.40 - Step 4: Simplify right side
83,881,038.69x = 6,477,794,213,504,186 - Step 5: Solve for x
x = 6,477,794,213,504,186/83,881,038.69 - Step 6: Final answer
x = 77,225,965.66
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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.