Finding the Fourth Proportional to 75,437,295.12, 104,128,954.92 and 49,011,803.28
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Solution
The fourth proportional to 75,437,295.12, 104,128,954.92 and 49,011,803.28 is: 67,652,847.92
Step by Step Solution
- Step 1: Write the proportion equation
75,437,295.12 : 104,128,954.92 = 49,011,803.28 : x - Step 2: Convert to fraction form
75,437,295.12/104,128,954.92 = 49,011,803.28/x - Step 3: Cross multiply
75,437,295.12x = 104,128,954.92 × 49,011,803.28 - Step 4: Simplify right side
75,437,295.12x = 5,103,547,854,291,028 - Step 5: Solve for x
x = 5,103,547,854,291,028/75,437,295.12 - Step 6: Final answer
x = 67,652,847.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.