Finding the Fourth Proportional to 133,065,306.92, 183,630,763.05 and 74,330,447.60
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Solution
The fourth proportional to 133,065,306.92, 183,630,763.05 and 74,330,447.60 is: 102,576,374.91
Step by Step Solution
- Step 1: Write the proportion equation
133,065,306.92 : 183,630,763.05 = 74,330,447.60 : x - Step 2: Convert to fraction form
133,065,306.92/183,630,763.05 = 74,330,447.60/x - Step 3: Cross multiply
133,065,306.92x = 183,630,763.05 × 74,330,447.60 - Step 4: Simplify right side
133,065,306.92x = 13,649,356,810,636,040 - Step 5: Solve for x
x = 13,649,356,810,636,040/133,065,306.92 - Step 6: Final answer
x = 102,576,374.91
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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.