Finding the Fourth Proportional to 293,402,451.80, 440,103,677.70 and 132,159,315.80
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Solution
The fourth proportional to 293,402,451.80, 440,103,677.70 and 132,159,315.80 is: 198,238,973.70
Step by Step Solution
- Step 1: Write the proportion equation
293,402,451.80 : 440,103,677.70 = 132,159,315.80 : x - Step 2: Convert to fraction form
293,402,451.80/440,103,677.70 = 132,159,315.80/x - Step 3: Cross multiply
293,402,451.80x = 440,103,677.70 × 132,159,315.80 - Step 4: Simplify right side
293,402,451.80x = 58,163,800,925,895,712 - Step 5: Solve for x
x = 58,163,800,925,895,712/293,402,451.80 - Step 6: Final answer
x = 198,238,973.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.