Finding the Fourth Proportional to 98,855,265.12, 136,484,298.24 and 63,588,840
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Solution
The fourth proportional to 98,855,265.12, 136,484,298.24 and 63,588,840 is: 87,793,788.15
Step by Step Solution
- Step 1: Write the proportion equation
98,855,265.12 : 136,484,298.24 = 63,588,840 : x - Step 2: Convert to fraction form
98,855,265.12/136,484,298.24 = 63,588,840/x - Step 3: Cross multiply
98,855,265.12x = 136,484,298.24 × 63,588,840 - Step 4: Simplify right side
98,855,265.12x = 8,678,878,203,295,642 - Step 5: Solve for x
x = 8,678,878,203,295,642/98,855,265.12 - Step 6: Final answer
x = 87,793,788.15
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1.5x scale
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.