Finding the Fourth Proportional to 256,933,588.40, 385,272,856.20 and 93,164,807.60
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Solution
The fourth proportional to 256,933,588.40, 385,272,856.20 and 93,164,807.60 is: 139,700,969.99
Step by Step Solution
- Step 1: Write the proportion equation
256,933,588.40 : 385,272,856.20 = 93,164,807.60 : x - Step 2: Convert to fraction form
256,933,588.40/385,272,856.20 = 93,164,807.60/x - Step 3: Cross multiply
256,933,588.40x = 385,272,856.20 × 93,164,807.60 - Step 4: Simplify right side
256,933,588.40x = 35,893,871,521,375,464 - Step 5: Solve for x
x = 35,893,871,521,375,464/256,933,588.40 - Step 6: Final answer
x = 139,700,969.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.