Finding the Fourth Proportional to 130,360,636.74, 195,539,710.95 and 79,256,764.74
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Solution
The fourth proportional to 130,360,636.74, 195,539,710.95 and 79,256,764.74 is: 118,884,390.68
Step by Step Solution
- Step 1: Write the proportion equation
130,360,636.74 : 195,539,710.95 = 79,256,764.74 : x - Step 2: Convert to fraction form
130,360,636.74/195,539,710.95 = 79,256,764.74/x - Step 3: Cross multiply
130,360,636.74x = 195,539,710.95 × 79,256,764.74 - Step 4: Simplify right side
130,360,636.74x = 15,497,844,868,091,750 - Step 5: Solve for x
x = 15,497,844,868,091,750/130,360,636.74 - Step 6: Final answer
x = 118,884,390.68
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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.