Finding the Fourth Proportional to 134,128,228.60, 201,192,342.90 and 93,313,559.80
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Solution
The fourth proportional to 134,128,228.60, 201,192,342.90 and 93,313,559.80 is: 139,970,339.70
Step by Step Solution
- Step 1: Write the proportion equation
134,128,228.60 : 201,192,342.90 = 93,313,559.80 : x - Step 2: Convert to fraction form
134,128,228.60/201,192,342.90 = 93,313,559.80/x - Step 3: Cross multiply
134,128,228.60x = 201,192,342.90 × 93,313,559.80 - Step 4: Simplify right side
134,128,228.60x = 18,773,973,720,501,256 - Step 5: Solve for x
x = 18,773,973,720,501,256/134,128,228.60 - Step 6: Final answer
x = 139,970,339.70
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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.