Finding the Fourth Proportional to 102,549,416.60, 153,824,124.90 and 98,966,235.80
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Solution
The fourth proportional to 102,549,416.60, 153,824,124.90 and 98,966,235.80 is: 148,449,353.70
Step by Step Solution
- Step 1: Write the proportion equation
102,549,416.60 : 153,824,124.90 = 98,966,235.80 : x - Step 2: Convert to fraction form
102,549,416.60/153,824,124.90 = 98,966,235.80/x - Step 3: Cross multiply
102,549,416.60x = 153,824,124.90 × 98,966,235.80 - Step 4: Simplify right side
102,549,416.60x = 15,223,394,616,582,052 - Step 5: Solve for x
x = 15,223,394,616,582,052/102,549,416.60 - Step 6: Final answer
x = 148,449,353.70
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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.