Finding the Fourth Proportional to 124,416,110.90, 186,624,166.35 and 73,271,803.70
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Solution
The fourth proportional to 124,416,110.90, 186,624,166.35 and 73,271,803.70 is: 109,907,705.55
Step by Step Solution
- Step 1: Write the proportion equation
124,416,110.90 : 186,624,166.35 = 73,271,803.70 : x - Step 2: Convert to fraction form
124,416,110.90/186,624,166.35 = 73,271,803.70/x - Step 3: Cross multiply
124,416,110.90x = 186,624,166.35 × 73,271,803.70 - Step 4: Simplify right side
124,416,110.90x = 13,674,289,282,473,346 - Step 5: Solve for x
x = 13,674,289,282,473,346/124,416,110.90 - Step 6: Final answer
x = 109,907,705.55
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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.