Finding the Fourth Proportional to 233,771,296.91, 322,604,767.67 and 129,353,769.23
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Solution
The fourth proportional to 233,771,296.91, 322,604,767.67 and 129,353,769.23 is: 178,508,410.66
Step by Step Solution
- Step 1: Write the proportion equation
233,771,296.91 : 322,604,767.67 = 129,353,769.23 : x - Step 2: Convert to fraction form
233,771,296.91/322,604,767.67 = 129,353,769.23/x - Step 3: Cross multiply
233,771,296.91x = 322,604,767.67 × 129,353,769.23 - Step 4: Simplify right side
233,771,296.91x = 41,730,142,667,423,152 - Step 5: Solve for x
x = 41,730,142,667,423,152/233,771,296.91 - Step 6: Final answer
x = 178,508,410.66
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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.