Finding the Fourth Proportional to 147,365,024,158.17, 203,363,733,659.18 and 79,699,614,368.13
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Solution
The fourth proportional to 147,365,024,158.17, 203,363,733,659.18 and 79,699,614,368.13 is: 109,985,468,001.58
Step by Step Solution
- Step 1: Write the proportion equation
147,365,024,158.17 : 203,363,733,659.18 = 79,699,614,368.13 : x - Step 2: Convert to fraction form
147,365,024,158.17/203,363,733,659.18 = 79,699,614,368.13/x - Step 3: Cross multiply
147,365,024,158.17x = 203,363,733,659.18 × 79,699,614,368.13 - Step 4: Simplify right side
147,365,024,158.17x = 16,208,011,149,099,745,148,928 - Step 5: Solve for x
x = 16,208,011,149,099,745,148,928/147,365,024,158.17 - Step 6: Final answer
x = 109,985,468,001.58
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1.5x scale
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.