Finding the Fourth Proportional to 219,412,303.62, 302,789,383.64 and 118,940,430.12
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Solution
The fourth proportional to 219,412,303.62, 302,789,383.64 and 118,940,430.12 is: 164,138,012.92
Step by Step Solution
- Step 1: Write the proportion equation
219,412,303.62 : 302,789,383.64 = 118,940,430.12 : x - Step 2: Convert to fraction form
219,412,303.62/302,789,383.64 = 118,940,430.12/x - Step 3: Cross multiply
219,412,303.62x = 302,789,383.64 × 118,940,430.12 - Step 4: Simplify right side
219,412,303.62x = 36,013,899,525,911,292 - Step 5: Solve for x
x = 36,013,899,525,911,292/219,412,303.62 - Step 6: Final answer
x = 164,138,012.92
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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.