Finding the Fourth Proportional to 432,939,113.97, 649,343,055.17 and 117,829,698.02
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Solution
The fourth proportional to 432,939,113.97, 649,343,055.17 and 117,829,698.02 is: 176,726,688.88
Step by Step Solution
- Step 1: Write the proportion equation
432,939,113.97 : 649,343,055.17 = 117,829,698.02 : x - Step 2: Convert to fraction form
432,939,113.97/649,343,055.17 = 117,829,698.02/x - Step 3: Cross multiply
432,939,113.97x = 649,343,055.17 × 117,829,698.02 - Step 4: Simplify right side
432,939,113.97x = 76,511,896,098,229,424 - Step 5: Solve for x
x = 76,511,896,098,229,424/432,939,113.97 - Step 6: Final answer
x = 176,726,688.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.