Finding the Fourth Proportional to 105,540,301.36, 158,312,751.11 and 74,288,248.14
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Solution
The fourth proportional to 105,540,301.36, 158,312,751.11 and 74,288,248.14 is: 111,433,990.49
Step by Step Solution
- Step 1: Write the proportion equation
105,540,301.36 : 158,312,751.11 = 74,288,248.14 : x - Step 2: Convert to fraction form
105,540,301.36/158,312,751.11 = 74,288,248.14/x - Step 3: Cross multiply
105,540,301.36x = 158,312,751.11 × 74,288,248.14 - Step 4: Simplify right side
105,540,301.36x = 11,760,776,938,185,742 - Step 5: Solve for x
x = 11,760,776,938,185,742/105,540,301.36 - Step 6: Final answer
x = 111,433,990.49
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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.