Finding the Fourth Proportional to 349,550,697.18, 524,395,117.34 and 128,224,091.90
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Solution
The fourth proportional to 349,550,697.18, 524,395,117.34 and 128,224,091.90 is: 192,361,475.06
Step by Step Solution
- Step 1: Write the proportion equation
349,550,697.18 : 524,395,117.34 = 128,224,091.90 : x - Step 2: Convert to fraction form
349,550,697.18/524,395,117.34 = 128,224,091.90/x - Step 3: Cross multiply
349,550,697.18x = 524,395,117.34 × 128,224,091.90 - Step 4: Simplify right side
349,550,697.18x = 67,240,087,719,346,992 - Step 5: Solve for x
x = 67,240,087,719,346,992/349,550,697.18 - Step 6: Final answer
x = 192,361,475.06
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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.