Finding the Fourth Proportional to 96,768,010.80, 133,539,795.48 and 53,307,946.80
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Solution
The fourth proportional to 96,768,010.80, 133,539,795.48 and 53,307,946.80 is: 73,564,933.85
Step by Step Solution
- Step 1: Write the proportion equation
96,768,010.80 : 133,539,795.48 = 53,307,946.80 : x - Step 2: Convert to fraction form
96,768,010.80/133,539,795.48 = 53,307,946.80/x - Step 3: Cross multiply
96,768,010.80x = 133,539,795.48 × 53,307,946.80 - Step 4: Simplify right side
96,768,010.80x = 7,118,732,313,130,720 - Step 5: Solve for x
x = 7,118,732,313,130,720/96,768,010.80 - Step 6: Final answer
x = 73,564,933.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.