Finding the Fourth Proportional to 257,725,225.44, 355,660,869.12 and 141,831,721.44
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Solution
The fourth proportional to 257,725,225.44, 355,660,869.12 and 141,831,721.44 is: 195,727,807.51
Step by Step Solution
- Step 1: Write the proportion equation
257,725,225.44 : 355,660,869.12 = 141,831,721.44 : x - Step 2: Convert to fraction form
257,725,225.44/355,660,869.12 = 141,831,721.44/x - Step 3: Cross multiply
257,725,225.44x = 355,660,869.12 × 141,831,721.44 - Step 4: Simplify right side
257,725,225.44x = 50,443,993,316,136,136 - Step 5: Solve for x
x = 50,443,993,316,136,136/257,725,225.44 - Step 6: Final answer
x = 195,727,807.51
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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.