Finding the Fourth Proportional to 93,092,861.79, 128,468,148.12 and 53,957,338.65
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Solution
The fourth proportional to 93,092,861.79, 128,468,148.12 and 53,957,338.65 is: 74,461,126.67
Step by Step Solution
- Step 1: Write the proportion equation
93,092,861.79 : 128,468,148.12 = 53,957,338.65 : x - Step 2: Convert to fraction form
93,092,861.79/128,468,148.12 = 53,957,338.65/x - Step 3: Cross multiply
93,092,861.79x = 128,468,148.12 × 53,957,338.65 - Step 4: Simplify right side
93,092,861.79x = 6,931,799,373,849,201 - Step 5: Solve for x
x = 6,931,799,373,849,201/93,092,861.79 - Step 6: Final answer
x = 74,461,126.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.