Finding the Fourth Proportional to 147,637,516.35, 203,745,962.61 and 84,913,631.67
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Solution
The fourth proportional to 147,637,516.35, 203,745,962.61 and 84,913,631.67 is: 117,184,371.91
Step by Step Solution
- Step 1: Write the proportion equation
147,637,516.35 : 203,745,962.61 = 84,913,631.67 : x - Step 2: Convert to fraction form
147,637,516.35/203,745,962.61 = 84,913,631.67/x - Step 3: Cross multiply
147,637,516.35x = 203,745,962.61 × 84,913,631.67 - Step 4: Simplify right side
147,637,516.35x = 17,300,809,623,315,134 - Step 5: Solve for x
x = 17,300,809,623,315,134/147,637,516.35 - Step 6: Final answer
x = 117,184,371.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.