Finding the Fourth Proportional to 384,912,113.80, 577,368,170.70 and 97,697,777.80
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Solution
The fourth proportional to 384,912,113.80, 577,368,170.70 and 97,697,777.80 is: 146,546,666.70
Step by Step Solution
- Step 1: Write the proportion equation
384,912,113.80 : 577,368,170.70 = 97,697,777.80 : x - Step 2: Convert to fraction form
384,912,113.80/577,368,170.70 = 97,697,777.80/x - Step 3: Cross multiply
384,912,113.80x = 577,368,170.70 × 97,697,777.80 - Step 4: Simplify right side
384,912,113.80x = 56,407,587,249,841,072 - Step 5: Solve for x
x = 56,407,587,249,841,072/384,912,113.80 - Step 6: Final answer
x = 146,546,666.70
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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.