Finding the Fourth Proportional to 133,065,307.42, 183,630,763.74 and 74,330,448.10
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Solution
The fourth proportional to 133,065,307.42, 183,630,763.74 and 74,330,448.10 is: 102,576,375.60
Step by Step Solution
- Step 1: Write the proportion equation
133,065,307.42 : 183,630,763.74 = 74,330,448.10 : x - Step 2: Convert to fraction form
133,065,307.42/183,630,763.74 = 74,330,448.10/x - Step 3: Cross multiply
133,065,307.42x = 183,630,763.74 × 74,330,448.10 - Step 4: Simplify right side
133,065,307.42x = 13,649,356,953,739,432 - Step 5: Solve for x
x = 13,649,356,953,739,432/133,065,307.42 - Step 6: Final answer
x = 102,576,375.60
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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.