Finding the Fourth Proportional to 77,369,160.08, 106,766,074.68 and 42,559,643.36
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Solution
The fourth proportional to 77,369,160.08, 106,766,074.68 and 42,559,643.36 is: 58,730,456.12
Step by Step Solution
- Step 1: Write the proportion equation
77,369,160.08 : 106,766,074.68 = 42,559,643.36 : x - Step 2: Convert to fraction form
77,369,160.08/106,766,074.68 = 42,559,643.36/x - Step 3: Cross multiply
77,369,160.08x = 106,766,074.68 × 42,559,643.36 - Step 4: Simplify right side
77,369,160.08x = 4,543,926,061,327,926 - Step 5: Solve for x
x = 4,543,926,061,327,926/77,369,160.08 - Step 6: Final answer
x = 58,730,456.12
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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.