Finding the Fourth Proportional to 90,847,295.98, 125,369,777.81 and 51,689,071.91
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Solution
The fourth proportional to 90,847,295.98, 125,369,777.81 and 51,689,071.91 is: 71,331,209.05
Step by Step Solution
- Step 1: Write the proportion equation
90,847,295.98 : 125,369,777.81 = 51,689,071.91 : x - Step 2: Convert to fraction form
90,847,295.98/125,369,777.81 = 51,689,071.91/x - Step 3: Cross multiply
90,847,295.98x = 125,369,777.81 × 51,689,071.91 - Step 4: Simplify right side
90,847,295.98x = 6,480,247,461,004,460 - Step 5: Solve for x
x = 6,480,247,461,004,460/90,847,295.98 - Step 6: Final answer
x = 71,331,209.05
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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.