Finding the Fourth Proportional to 146,018,372.58, 201,505,038.80 and 79,938,335.25
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Solution
The fourth proportional to 146,018,372.58, 201,505,038.80 and 79,938,335.25 is: 110,314,730.00
Step by Step Solution
- Step 1: Write the proportion equation
146,018,372.58 : 201,505,038.80 = 79,938,335.25 : x - Step 2: Convert to fraction form
146,018,372.58/201,505,038.80 = 79,938,335.25/x - Step 3: Cross multiply
146,018,372.58x = 201,505,038.80 × 79,938,335.25 - Step 4: Simplify right side
146,018,372.58x = 16,107,977,345,758,964 - Step 5: Solve for x
x = 16,107,977,345,758,964/146,018,372.58 - Step 6: Final answer
x = 110,314,730.00
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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.