Finding the Fourth Proportional to 70,748,026.75, 106,143,698.85 and 36,228,869.52
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Solution
The fourth proportional to 70,748,026.75, 106,143,698.85 and 36,228,869.52 is: 54,354,395.35
Step by Step Solution
- Step 1: Write the proportion equation
70,748,026.75 : 106,143,698.85 = 36,228,869.52 : x - Step 2: Convert to fraction form
70,748,026.75/106,143,698.85 = 36,228,869.52/x - Step 3: Cross multiply
70,748,026.75x = 106,143,698.85 × 36,228,869.52 - Step 4: Simplify right side
70,748,026.75x = 3,845,466,216,006,824 - Step 5: Solve for x
x = 3,845,466,216,006,824/70,748,026.75 - Step 6: Final answer
x = 54,354,395.35
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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.