Finding the Fourth Proportional to 107,125,340,929.63, 147,832,994,613.21 and 58,953,384,161.07
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Solution
The fourth proportional to 107,125,340,929.63, 147,832,994,613.21 and 58,953,384,161.07 is: 81,355,683,421.71
Step by Step Solution
- Step 1: Write the proportion equation
107,125,340,929.63 : 147,832,994,613.21 = 58,953,384,161.07 : x - Step 2: Convert to fraction form
107,125,340,929.63/147,832,994,613.21 = 58,953,384,161.07/x - Step 3: Cross multiply
107,125,340,929.63x = 147,832,994,613.21 × 58,953,384,161.07 - Step 4: Simplify right side
107,125,340,929.63x = 8,715,255,323,113,221,521,408 - Step 5: Solve for x
x = 8,715,255,323,113,221,521,408/107,125,340,929.63 - Step 6: Final answer
x = 81,355,683,421.71
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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.