Finding the Fourth Proportional to 92,146,079.13, 127,160,751.99 and 50,330,135.71
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Solution
The fourth proportional to 92,146,079.13, 127,160,751.99 and 50,330,135.71 is: 69,455,130.00
Step by Step Solution
- Step 1: Write the proportion equation
92,146,079.13 : 127,160,751.99 = 50,330,135.71 : x - Step 2: Convert to fraction form
92,146,079.13/127,160,751.99 = 50,330,135.71/x - Step 3: Cross multiply
92,146,079.13x = 127,160,751.99 × 50,330,135.71 - Step 4: Simplify right side
92,146,079.13x = 6,400,017,904,642,352 - Step 5: Solve for x
x = 6,400,017,904,642,352/92,146,079.13 - Step 6: Final answer
x = 69,455,130.00
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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.