Finding the Fourth Proportional to 97,117,919.20, 134,018,740.40 and 53,066,430.28
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Solution
The fourth proportional to 97,117,919.20, 134,018,740.40 and 53,066,430.28 is: 73,229,494.64
Step by Step Solution
- Step 1: Write the proportion equation
97,117,919.20 : 134,018,740.40 = 53,066,430.28 : x - Step 2: Convert to fraction form
97,117,919.20/134,018,740.40 = 53,066,430.28/x - Step 3: Cross multiply
97,117,919.20x = 134,018,740.40 × 53,066,430.28 - Step 4: Simplify right side
97,117,919.20x = 7,111,896,143,650,020 - Step 5: Solve for x
x = 7,111,896,143,650,020/97,117,919.20 - Step 6: Final answer
x = 73,229,494.64
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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.