Finding the Fourth Proportional to 102,328,032.12, 153,571,643.88 and 71,421,831.84
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Solution
The fourth proportional to 102,328,032.12, 153,571,643.88 and 71,421,831.84 is: 107,188,303.12
Step by Step Solution
- Step 1: Write the proportion equation
102,328,032.12 : 153,571,643.88 = 71,421,831.84 : x - Step 2: Convert to fraction form
102,328,032.12/153,571,643.88 = 71,421,831.84/x - Step 3: Cross multiply
102,328,032.12x = 153,571,643.88 × 71,421,831.84 - Step 4: Simplify right side
102,328,032.12x = 10,968,368,124,589,726 - Step 5: Solve for x
x = 10,968,368,124,589,726/102,328,032.12 - Step 6: Final answer
x = 107,188,303.12
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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.