Finding the Fourth Proportional to 98,757,830.19, 136,176,613.95 and 62,937,555.16
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Solution
The fourth proportional to 98,757,830.19, 136,176,613.95 and 62,937,555.16 is: 86,784,239.14
Step by Step Solution
- Step 1: Write the proportion equation
98,757,830.19 : 136,176,613.95 = 62,937,555.16 : x - Step 2: Convert to fraction form
98,757,830.19/136,176,613.95 = 62,937,555.16/x - Step 3: Cross multiply
98,757,830.19x = 136,176,613.95 × 62,937,555.16 - Step 4: Simplify right side
98,757,830.19x = 8,570,623,151,980,149 - Step 5: Solve for x
x = 8,570,623,151,980,149/98,757,830.19 - Step 6: Final answer
x = 86,784,239.14
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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.