Finding the Fourth Proportional to 154,343,612.10, 212,699,828.73 and 151,506,713.59
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Solution
The fourth proportional to 154,343,612.10, 212,699,828.73 and 151,506,713.59 is: 208,790,319.17
Step by Step Solution
- Step 1: Write the proportion equation
154,343,612.10 : 212,699,828.73 = 151,506,713.59 : x - Step 2: Convert to fraction form
154,343,612.10/212,699,828.73 = 151,506,713.59/x - Step 3: Cross multiply
154,343,612.10x = 212,699,828.73 × 151,506,713.59 - Step 4: Simplify right side
154,343,612.10x = 32,225,452,032,038,164 - Step 5: Solve for x
x = 32,225,452,032,038,164/154,343,612.10 - Step 6: Final answer
x = 208,790,319.17
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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.