Finding the Fourth Proportional to 130,009,151.04, 194,957,032.48 and 49,173,432
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Solution
The fourth proportional to 130,009,151.04, 194,957,032.48 and 49,173,432 is: 73,738,704.57
Step by Step Solution
- Step 1: Write the proportion equation
130,009,151.04 : 194,957,032.48 = 49,173,432 : x - Step 2: Convert to fraction form
130,009,151.04/194,957,032.48 = 49,173,432/x - Step 3: Cross multiply
130,009,151.04x = 194,957,032.48 × 49,173,432 - Step 4: Simplify right side
130,009,151.04x = 9,586,706,379,577,070 - Step 5: Solve for x
x = 9,586,706,379,577,070/130,009,151.04 - Step 6: Final answer
x = 73,738,704.57
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.