Finding the Fourth Proportional to 107,725,149.12, 148,660,875.12 and 61,315,405.44
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Solution
The fourth proportional to 107,725,149.12, 148,660,875.12 and 61,315,405.44 is: 84,615,355.89
Step by Step Solution
- Step 1: Write the proportion equation
107,725,149.12 : 148,660,875.12 = 61,315,405.44 : x - Step 2: Convert to fraction form
107,725,149.12/148,660,875.12 = 61,315,405.44/x - Step 3: Cross multiply
107,725,149.12x = 148,660,875.12 × 61,315,405.44 - Step 4: Simplify right side
107,725,149.12x = 9,115,201,831,048,008 - Step 5: Solve for x
x = 9,115,201,831,048,008/107,725,149.12 - Step 6: Final answer
x = 84,615,355.89
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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.