Finding the Fourth Proportional to 105,035,281.70, 157,715,124.15 and 57,259,537.70
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Solution
The fourth proportional to 105,035,281.70, 157,715,124.15 and 57,259,537.70 is: 85,977,730.06
Step by Step Solution
- Step 1: Write the proportion equation
105,035,281.70 : 157,715,124.15 = 57,259,537.70 : x - Step 2: Convert to fraction form
105,035,281.70/157,715,124.15 = 57,259,537.70/x - Step 3: Cross multiply
105,035,281.70x = 157,715,124.15 × 57,259,537.70 - Step 4: Simplify right side
105,035,281.70x = 9,030,695,097,127,106 - Step 5: Solve for x
x = 9,030,695,097,127,106/105,035,281.70 - Step 6: Final answer
x = 85,977,730.06
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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.