Finding the Fourth Proportional to 165,176,373.23, 247,225,638.37 and 121,445,536.76
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Solution
The fourth proportional to 165,176,373.23, 247,225,638.37 and 121,445,536.76 is: 181,772,064.40
Step by Step Solution
- Step 1: Write the proportion equation
165,176,373.23 : 247,225,638.37 = 121,445,536.76 : x - Step 2: Convert to fraction form
165,176,373.23/247,225,638.37 = 121,445,536.76/x - Step 3: Cross multiply
165,176,373.23x = 247,225,638.37 × 121,445,536.76 - Step 4: Simplify right side
165,176,373.23x = 30,024,450,352,678,304 - Step 5: Solve for x
x = 30,024,450,352,678,304/165,176,373.23 - Step 6: Final answer
x = 181,772,064.40
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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.