Finding the Fourth Proportional to 107,343,315.20, 161,731,969.84 and 97,121,277.76
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Solution
The fourth proportional to 107,343,315.20, 161,731,969.84 and 97,121,277.76 is: 146,330,635.83
Step by Step Solution
- Step 1: Write the proportion equation
107,343,315.20 : 161,731,969.84 = 97,121,277.76 : x - Step 2: Convert to fraction form
107,343,315.20/161,731,969.84 = 97,121,277.76/x - Step 3: Cross multiply
107,343,315.20x = 161,731,969.84 × 97,121,277.76 - Step 4: Simplify right side
107,343,315.20x = 15,707,615,565,502,584 - Step 5: Solve for x
x = 15,707,615,565,502,584/107,343,315.20 - Step 6: Final answer
x = 146,330,635.83
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.