Finding the Fourth Proportional to 154,343,612.60, 212,699,829.42 and 151,506,714.09
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Solution
The fourth proportional to 154,343,612.60, 212,699,829.42 and 151,506,714.09 is: 208,790,319.87
Step by Step Solution
- Step 1: Write the proportion equation
154,343,612.60 : 212,699,829.42 = 151,506,714.09 : x - Step 2: Convert to fraction form
154,343,612.60/212,699,829.42 = 151,506,714.09/x - Step 3: Cross multiply
154,343,612.60x = 212,699,829.42 × 151,506,714.09 - Step 4: Simplify right side
154,343,612.60x = 32,225,452,242,927,708 - Step 5: Solve for x
x = 32,225,452,242,927,708/154,343,612.60 - Step 6: Final answer
x = 208,790,319.87
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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.