Finding the Fourth Proportional to 161,289,931.70, 241,934,897.55 and 40,121,383.70
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Solution
The fourth proportional to 161,289,931.70, 241,934,897.55 and 40,121,383.70 is: 60,182,075.55
Step by Step Solution
- Step 1: Write the proportion equation
161,289,931.70 : 241,934,897.55 = 40,121,383.70 : x - Step 2: Convert to fraction form
161,289,931.70/241,934,897.55 = 40,121,383.70/x - Step 3: Cross multiply
161,289,931.70x = 241,934,897.55 × 40,121,383.70 - Step 4: Simplify right side
161,289,931.70x = 9,706,762,855,023,742 - Step 5: Solve for x
x = 9,706,762,855,023,742/161,289,931.70 - Step 6: Final answer
x = 60,182,075.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.