Finding the Fourth Proportional to 78,725,687,228.64, 108,641,378,187.36 and 44,438,610,808.08
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Solution
The fourth proportional to 78,725,687,228.64, 108,641,378,187.36 and 44,438,610,808.08 is: 61,325,243,295.75
Step by Step Solution
- Step 1: Write the proportion equation
78,725,687,228.64 : 108,641,378,187.36 = 44,438,610,808.08 : x - Step 2: Convert to fraction form
78,725,687,228.64/108,641,378,187.36 = 44,438,610,808.08/x - Step 3: Cross multiply
78,725,687,228.64x = 108,641,378,187.36 × 44,438,610,808.08 - Step 4: Simplify right side
78,725,687,228.64x = 4,827,871,922,921,522,855,936 - Step 5: Solve for x
x = 4,827,871,922,921,522,855,936/78,725,687,228.64 - Step 6: Final answer
x = 61,325,243,295.75
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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.