Finding the Fourth Proportional to 161,861,275.76, 223,368,402.99 and 87,521,658.41
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Solution
The fourth proportional to 161,861,275.76, 223,368,402.99 and 87,521,658.41 is: 120,779,803.41
Step by Step Solution
- Step 1: Write the proportion equation
161,861,275.76 : 223,368,402.99 = 87,521,658.41 : x - Step 2: Convert to fraction form
161,861,275.76/223,368,402.99 = 87,521,658.41/x - Step 3: Cross multiply
161,861,275.76x = 223,368,402.99 × 87,521,658.41 - Step 4: Simplify right side
161,861,275.76x = 19,549,573,065,519,584 - Step 5: Solve for x
x = 19,549,573,065,519,584/161,861,275.76 - Step 6: Final answer
x = 120,779,803.41
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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.