Finding the Fourth Proportional to 88,759,612.28, 122,488,430.90 and 49,601,389.07
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Solution
The fourth proportional to 88,759,612.28, 122,488,430.90 and 49,601,389.07 is: 68,450,009.65
Step by Step Solution
- Step 1: Write the proportion equation
88,759,612.28 : 122,488,430.90 = 49,601,389.07 : x - Step 2: Convert to fraction form
88,759,612.28/122,488,430.90 = 49,601,389.07/x - Step 3: Cross multiply
88,759,612.28x = 122,488,430.90 × 49,601,389.07 - Step 4: Simplify right side
88,759,612.28x = 6,075,596,316,784,261 - Step 5: Solve for x
x = 6,075,596,316,784,261/88,759,612.28 - Step 6: Final answer
x = 68,450,009.65
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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.