Finding the Fourth Proportional to 261,718,303.68, 392,577,403.36 and 70,242,079.68
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Solution
The fourth proportional to 261,718,303.68, 392,577,403.36 and 70,242,079.68 is: 105,363,105.52
Step by Step Solution
- Step 1: Write the proportion equation
261,718,303.68 : 392,577,403.36 = 70,242,079.68 : x - Step 2: Convert to fraction form
261,718,303.68/392,577,403.36 = 70,242,079.68/x - Step 3: Cross multiply
261,718,303.68x = 392,577,403.36 × 70,242,079.68 - Step 4: Simplify right side
261,718,303.68x = 27,575,453,247,380,624 - Step 5: Solve for x
x = 27,575,453,247,380,624/261,718,303.68 - Step 6: Final answer
x = 105,363,105.52
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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.