Finding the Fourth Proportional to 66,446,781.10, 99,471,106.05 and 39,506,569.90
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Solution
The fourth proportional to 66,446,781.10, 99,471,106.05 and 39,506,569.90 is: 59,141,498.49
Step by Step Solution
- Step 1: Write the proportion equation
66,446,781.10 : 99,471,106.05 = 39,506,569.90 : x - Step 2: Convert to fraction form
66,446,781.10/99,471,106.05 = 39,506,569.90/x - Step 3: Cross multiply
66,446,781.10x = 99,471,106.05 × 39,506,569.90 - Step 4: Simplify right side
66,446,781.10x = 3,929,762,204,194,637.50 - Step 5: Solve for x
x = 3,929,762,204,194,637.50/66,446,781.10 - Step 6: Final answer
x = 59,141,498.49
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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.