Finding the Fourth Proportional to 183,740,478.80, 275,610,718.20 and 68,718,931.70
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Solution
The fourth proportional to 183,740,478.80, 275,610,718.20 and 68,718,931.70 is: 103,078,397.55
Step by Step Solution
- Step 1: Write the proportion equation
183,740,478.80 : 275,610,718.20 = 68,718,931.70 : x - Step 2: Convert to fraction form
183,740,478.80/275,610,718.20 = 68,718,931.70/x - Step 3: Cross multiply
183,740,478.80x = 275,610,718.20 × 68,718,931.70 - Step 4: Simplify right side
183,740,478.80x = 18,939,674,119,773,748 - Step 5: Solve for x
x = 18,939,674,119,773,748/183,740,478.80 - Step 6: Final answer
x = 103,078,397.55
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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.