Finding the Fourth Proportional to 66,065,444.76, 99,098,130.66 and 20,631,133.08
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Solution
The fourth proportional to 66,065,444.76, 99,098,130.66 and 20,631,133.08 is: 30,946,688.23
Step by Step Solution
- Step 1: Write the proportion equation
66,065,444.76 : 99,098,130.66 = 20,631,133.08 : x - Step 2: Convert to fraction form
66,065,444.76/99,098,130.66 = 20,631,133.08/x - Step 3: Cross multiply
66,065,444.76x = 99,098,130.66 × 20,631,133.08 - Step 4: Simplify right side
66,065,444.76x = 2,044,506,721,625,688 - Step 5: Solve for x
x = 2,044,506,721,625,688/66,065,444.76 - Step 6: Final answer
x = 30,946,688.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.