Finding the Fourth Proportional to 307,375,962.12, 424,177,559.50 and 166,247,340.12
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Solution
The fourth proportional to 307,375,962.12, 424,177,559.50 and 166,247,340.12 is: 229,420,643.43
Step by Step Solution
- Step 1: Write the proportion equation
307,375,962.12 : 424,177,559.50 = 166,247,340.12 : x - Step 2: Convert to fraction form
307,375,962.12/424,177,559.50 = 166,247,340.12/x - Step 3: Cross multiply
307,375,962.12x = 424,177,559.50 × 166,247,340.12 - Step 4: Simplify right side
307,375,962.12x = 70,518,391,005,468,040 - Step 5: Solve for x
x = 70,518,391,005,468,040/307,375,962.12 - Step 6: Final answer
x = 229,420,643.43
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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.