Finding the Fourth Proportional to 64,484,940.98, 88,988,334.80 and 36,607,407.50
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Solution
The fourth proportional to 64,484,940.98, 88,988,334.80 and 36,607,407.50 is: 50,517,720.65
Step by Step Solution
- Step 1: Write the proportion equation
64,484,940.98 : 88,988,334.80 = 36,607,407.50 : x - Step 2: Convert to fraction form
64,484,940.98/88,988,334.80 = 36,607,407.50/x - Step 3: Cross multiply
64,484,940.98x = 88,988,334.80 × 36,607,407.50 - Step 4: Simplify right side
64,484,940.98x = 3,257,632,234,770,031 - Step 5: Solve for x
x = 3,257,632,234,770,031/64,484,940.98 - Step 6: Final answer
x = 50,517,720.65
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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.