Finding the Fourth Proportional to 162,583,242.76, 224,365,041.05 and 88,243,818.62
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Solution
The fourth proportional to 162,583,242.76, 224,365,041.05 and 88,243,818.62 is: 121,776,559.82
Step by Step Solution
- Step 1: Write the proportion equation
162,583,242.76 : 224,365,041.05 = 88,243,818.62 : x - Step 2: Convert to fraction form
162,583,242.76/224,365,041.05 = 88,243,818.62/x - Step 3: Cross multiply
162,583,242.76x = 224,365,041.05 × 88,243,818.62 - Step 4: Simplify right side
162,583,242.76x = 19,798,827,986,643,836 - Step 5: Solve for x
x = 19,798,827,986,643,836/162,583,242.76 - Step 6: Final answer
x = 121,776,559.82
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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.