Finding the Fourth Proportional to 140,508,786.21, 210,884,248.20 and 97,408,256.81
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Solution
The fourth proportional to 140,508,786.21, 210,884,248.20 and 97,408,256.81 is: 146,196,316.68
Step by Step Solution
- Step 1: Write the proportion equation
140,508,786.21 : 210,884,248.20 = 97,408,256.81 : x - Step 2: Convert to fraction form
140,508,786.21/210,884,248.20 = 97,408,256.81/x - Step 3: Cross multiply
140,508,786.21x = 210,884,248.20 × 97,408,256.81 - Step 4: Simplify right side
140,508,786.21x = 20,541,867,005,362,340 - Step 5: Solve for x
x = 20,541,867,005,362,340/140,508,786.21 - Step 6: Final answer
x = 146,196,316.68
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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.