Finding the Fourth Proportional to 69,942,355.98, 96,537,752.46 and 47,652,228.42
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Solution
The fourth proportional to 69,942,355.98, 96,537,752.46 and 47,652,228.42 is: 65,771,862.66
Step by Step Solution
- Step 1: Write the proportion equation
69,942,355.98 : 96,537,752.46 = 47,652,228.42 : x - Step 2: Convert to fraction form
69,942,355.98/96,537,752.46 = 47,652,228.42/x - Step 3: Cross multiply
69,942,355.98x = 96,537,752.46 × 47,652,228.42 - Step 4: Simplify right side
69,942,355.98x = 4,600,239,031,377,337 - Step 5: Solve for x
x = 4,600,239,031,377,337/69,942,355.98 - Step 6: Final answer
x = 65,771,862.66
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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.