Finding the Fourth Proportional to 134,294,430.60, 201,441,645.90 and 93,479,761.80
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Solution
The fourth proportional to 134,294,430.60, 201,441,645.90 and 93,479,761.80 is: 140,219,642.70
Step by Step Solution
- Step 1: Write the proportion equation
134,294,430.60 : 201,441,645.90 = 93,479,761.80 : x - Step 2: Convert to fraction form
134,294,430.60/201,441,645.90 = 93,479,761.80/x - Step 3: Cross multiply
134,294,430.60x = 201,441,645.90 × 93,479,761.80 - Step 4: Simplify right side
134,294,430.60x = 18,830,717,075,331,948 - Step 5: Solve for x
x = 18,830,717,075,331,948/134,294,430.60 - Step 6: Final answer
x = 140,219,642.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.