Finding the Fourth Proportional to 93,360,191.76, 128,682,866.16 and 62,409,067.92
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Solution
The fourth proportional to 93,360,191.76, 128,682,866.16 and 62,409,067.92 is: 86,021,435.72
Step by Step Solution
- Step 1: Write the proportion equation
93,360,191.76 : 128,682,866.16 = 62,409,067.92 : x - Step 2: Convert to fraction form
93,360,191.76/128,682,866.16 = 62,409,067.92/x - Step 3: Cross multiply
93,360,191.76x = 128,682,866.16 × 62,409,067.92 - Step 4: Simplify right side
93,360,191.76x = 8,030,977,734,319,710 - Step 5: Solve for x
x = 8,030,977,734,319,710/93,360,191.76 - Step 6: Final answer
x = 86,021,435.72
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1.5x scale
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.