Finding the Fourth Proportional to 140,369,579.74, 193,695,106.98 and 77,635,708.84
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Solution
The fourth proportional to 140,369,579.74, 193,695,106.98 and 77,635,708.84 is: 107,129,030.07
Step by Step Solution
- Step 1: Write the proportion equation
140,369,579.74 : 193,695,106.98 = 77,635,708.84 : x - Step 2: Convert to fraction form
140,369,579.74/193,695,106.98 = 77,635,708.84/x - Step 3: Cross multiply
140,369,579.74x = 193,695,106.98 × 77,635,708.84 - Step 4: Simplify right side
140,369,579.74x = 15,037,656,929,231,932 - Step 5: Solve for x
x = 15,037,656,929,231,932/140,369,579.74 - Step 6: Final answer
x = 107,129,030.07
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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.