Finding the Fourth Proportional to 133,124,430.69, 183,729,964.28 and 76,608,015.12
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Solution
The fourth proportional to 133,124,430.69, 183,729,964.28 and 76,608,015.12 is: 105,729,563.00
Step by Step Solution
- Step 1: Write the proportion equation
133,124,430.69 : 183,729,964.28 = 76,608,015.12 : x - Step 2: Convert to fraction form
133,124,430.69/183,729,964.28 = 76,608,015.12/x - Step 3: Cross multiply
133,124,430.69x = 183,729,964.28 × 76,608,015.12 - Step 4: Simplify right side
133,124,430.69x = 14,075,187,881,176,262 - Step 5: Solve for x
x = 14,075,187,881,176,262/133,124,430.69 - Step 6: Final answer
x = 105,729,563.00
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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.