Finding the Fourth Proportional to 149,854,464.40, 224,669,722.20 and 81,774,029.20
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Solution
The fourth proportional to 149,854,464.40, 224,669,722.20 and 81,774,029.20 is: 122,599,940.53
Step by Step Solution
- Step 1: Write the proportion equation
149,854,464.40 : 224,669,722.20 = 81,774,029.20 : x - Step 2: Convert to fraction form
149,854,464.40/224,669,722.20 = 81,774,029.20/x - Step 3: Cross multiply
149,854,464.40x = 224,669,722.20 × 81,774,029.20 - Step 4: Simplify right side
149,854,464.40x = 18,372,148,423,538,688 - Step 5: Solve for x
x = 18,372,148,423,538,688/149,854,464.40 - Step 6: Final answer
x = 122,599,940.53
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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.