Finding the Fourth Proportional to 257,725,223.52, 355,660,866.36 and 141,831,719.52
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Solution
The fourth proportional to 257,725,223.52, 355,660,866.36 and 141,831,719.52 is: 195,727,804.80
Step by Step Solution
- Step 1: Write the proportion equation
257,725,223.52 : 355,660,866.36 = 141,831,719.52 : x - Step 2: Convert to fraction form
257,725,223.52/355,660,866.36 = 141,831,719.52/x - Step 3: Cross multiply
257,725,223.52x = 355,660,866.36 × 141,831,719.52 - Step 4: Simplify right side
257,725,223.52x = 50,443,992,241,811,728 - Step 5: Solve for x
x = 50,443,992,241,811,728/257,725,223.52 - Step 6: Final answer
x = 195,727,804.80
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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.