Finding the Fourth Proportional to 98,839,031.10, 136,351,727.91 and 62,189,809.98
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Solution
The fourth proportional to 98,839,031.10, 136,351,727.91 and 62,189,809.98 is: 85,792,909.49
Step by Step Solution
- Step 1: Write the proportion equation
98,839,031.10 : 136,351,727.91 = 62,189,809.98 : x - Step 2: Convert to fraction form
98,839,031.10/136,351,727.91 = 62,189,809.98/x - Step 3: Cross multiply
98,839,031.10x = 136,351,727.91 × 62,189,809.98 - Step 4: Simplify right side
98,839,031.10x = 8,479,688,049,167,562 - Step 5: Solve for x
x = 8,479,688,049,167,562/98,839,031.10 - Step 6: Final answer
x = 85,792,909.49
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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.