Finding the Fourth Proportional to 118,098,018.68, 162,975,367.94 and 65,887,065.09
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Solution
The fourth proportional to 118,098,018.68, 162,975,367.94 and 65,887,065.09 is: 90,924,206.82
Step by Step Solution
- Step 1: Write the proportion equation
118,098,018.68 : 162,975,367.94 = 65,887,065.09 : x - Step 2: Convert to fraction form
118,098,018.68/162,975,367.94 = 65,887,065.09/x - Step 3: Cross multiply
118,098,018.68x = 162,975,367.94 × 65,887,065.09 - Step 4: Simplify right side
118,098,018.68x = 10,737,968,675,200,044 - Step 5: Solve for x
x = 10,737,968,675,200,044/118,098,018.68 - Step 6: Final answer
x = 90,924,206.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.